diff --git a/internal/dis/component/server/admin/html/instance_provision.html b/internal/dis/component/server/admin/html/instance_provision.html
deleted file mode 100644
index 6ced76f..0000000
--- a/internal/dis/component/server/admin/html/instance_provision.html
+++ /dev/null
@@ -1,47 +0,0 @@
-<div class="pure-u-1-1">
-    <form class="pure-form pure-form-aligned" id="provision">
-        <fieldset>
-            <legend>Main Parameters</legend>
-
-            <div class="pure-control-group">
-                <label for="slug">Slug</label>
-                <input name="slug" id="slug" placeholder="">
-            </div>
-        </fieldset>
-        <fieldset>
-            <legend>System Parameters</legend>
-            
-            <div class="pure-control-group">
-                <label for="php">PHP Version</label>
-                <select id="php">
-                    <option value="" selected>Default ({{ .DefaultPHPVersion }})</option>
-                    {{ range .PHPVersions }}
-                        <option value="{{ . }}">{{ . }}</option>
-                    {{ end }}
-                </select>
-            </div>
-            <label for="opcacheDevelopment" class="pure-checkbox">
-                <input type="checkbox" id="opcacheDevelopment" />
-                Opache Development Configuration
-            </label>
-            <div class="pure-control-group">
-                <label for="contentsecuritypolicy">Content Security Policy</label>
-                <input class="pure-input-1" name="contentsecuritypolicy" id="contentsecuritypolicy" list="content-security-policy" placeholder="">
-            </div>
-        </fieldset>
-        <fieldset>
-            <legend>Profile</legend>
-
-            <div class="pure-control-group">
-                Not yet available
-            </div>
-        </fieldset>
-
-        <input type="submit" value="Provision" class="pure-button">
-    </form>
-</div>
-<datalist id="content-security-policy">
-    {{ range .ContentSecurityPolicies }}
-        <option value="{{ . }}">
-    {{ end }}
-</datalist>
\ No newline at end of file
diff --git a/internal/dis/component/server/admin/html/instance_rebuild.html b/internal/dis/component/server/admin/html/instance_system.html
similarity index 58%
rename from internal/dis/component/server/admin/html/instance_rebuild.html
rename to internal/dis/component/server/admin/html/instance_system.html
index f8ed7e7..eca90c4 100644
--- a/internal/dis/component/server/admin/html/instance_rebuild.html
+++ b/internal/dis/component/server/admin/html/instance_system.html
@@ -1,33 +1,34 @@
+{{ $rebuild := .Rebuild }}
 <div class="pure-u-1-1">
-    <form class="pure-form pure-form-aligned" id="rebuild">
+    <form class="pure-form pure-form-aligned" id="system">
         <fieldset>
             <legend>Main Parameters</legend>
 
             <div class="pure-control-group">
                 <label for="slug">Slug</label>
-                <input name="slug" id="slug" placeholder="" readonly="readonly" value="{{ .Slug }}">
+                <input name="slug" id="slug" placeholder="" {{ if $rebuild }} readonly="readonly" value="{{ .Slug }}" {{ end }}>
             </div>
         </fieldset>
         <fieldset>
             <legend>System Parameters</legend>
-            
+
             <div class="pure-control-group">
                 <label for="php">PHP Version</label>
                 <select id="php">
                     {{ $PHP := .System.PHP }}
-                    <option {{ if eq $PHP "" }}selected{{ end }}>Default ({{ .DefaultPHPVersion }})</option>
+                    <option {{ if $rebuild }}{{ if eq $PHP "" }}selected{{ end }}{{ else }}selected{{ end }}>Default ({{ .DefaultPHPVersion }})</option>
                     {{ range .PHPVersions }}
-                        <option {{ if eq $PHP . }}selected{{ end }} value="{{ . }}">{{ . }}</option>
+                    <option {{ if $rebuild }}{{ if eq $PHP . }}selected{{ end }}{{ end }} value="{{ . }}">{{ . }}</option>
                     {{ end }}
                 </select>
             </div>
             <label for="opcacheDevelopment" class="pure-checkbox">
-                <input {{ if .System.OpCacheDevelopment }}checked{{end}} type="checkbox" id="opcacheDevelopment"/>
+                <input {{ if $rebuild }}{{ if .System.OpCacheDevelopment }}checked{{end}}{{end}} type="checkbox" id="opcacheDevelopment" />
                 Opache Development Configuration
             </label>
             <div class="pure-control-group" class="pure-input-1">
                 <label for="contentsecuritypolicy">Content Security Policy</label>
-                <input name="contentsecuritypolicy" id="contentsecuritypolicy" list="content-security-policy" value="{{ .System.ContentSecurityPolicy }}">
+                <input name="contentsecuritypolicy" id="contentsecuritypolicy" list="content-security-policy" {{ if $rebuild }}value="{{ .System.ContentSecurityPolicy }}" {{ end }}>
             </div>
         </fieldset>
         <fieldset>
@@ -38,12 +39,12 @@
             </div>
         </fieldset>
 
-        <input type="submit" value="Rebuild" class="pure-button">
+        <input type="submit" value="{{ if $rebuild }}Rebuild{{ else }}Provision{{ end }}" class="pure-button">
     </form>
 </div>
 
 <datalist id="content-security-policy">
     {{ range .ContentSecurityPolicies }}
-        <option value="{{ . }}">
-    {{ end }}
+    <option value="{{ . }}">
+        {{ end }}
 </datalist>
\ No newline at end of file
diff --git a/internal/dis/component/server/admin/instance_provision.go b/internal/dis/component/server/admin/instance_provision.go
index fd2aa31..dc92aab 100644
--- a/internal/dis/component/server/admin/instance_provision.go
+++ b/internal/dis/component/server/admin/instance_provision.go
@@ -6,43 +6,17 @@ import (
 
 	"github.com/FAU-CDI/wisski-distillery/internal/dis/component/server/assets"
 	"github.com/FAU-CDI/wisski-distillery/internal/dis/component/server/templating"
-	"github.com/FAU-CDI/wisski-distillery/internal/models"
 
 	_ "embed"
 )
 
-//go:embed "html/instance_provision.html"
-var instanceProvisionHTML []byte
-var instanceProvisionTemplate = templating.Parse[instanceProvisionContext](
-	"instance_provision.html", instanceProvisionHTML, nil,
-
-	templating.Title("Provision New Instance"),
-	templating.Assets(assets.AssetsAdminProvision),
-)
-
-type instanceProvisionContext struct {
-	templating.RuntimeFlags
-
-	systemParams
-}
-
-type systemParams struct {
-	PHPVersions             []string
-	ContentSecurityPolicies []string
-	DefaultPHPVersion       string
-}
-
-func newSystemParams() (sp systemParams) {
-	sp.PHPVersions = models.KnownPHPVersions()
-	sp.ContentSecurityPolicies = models.ContentSecurityPolicyExamples()
-	sp.DefaultPHPVersion = models.DefaultPHPVersion
-	return sp
-}
-
 func (admin *Admin) instanceProvision(ctx context.Context) http.Handler {
-	tpl := instanceProvisionTemplate.Prepare(
+	tpl := instanceSystemTemplate.Prepare(
 		admin.Dependencies.Templating,
 
+		templating.Title("Provision New Instance"),
+		templating.Assets(assets.AssetsAdminProvision),
+
 		templating.Crumbs(
 			menuAdmin,
 			menuInstances,
@@ -50,8 +24,8 @@ func (admin *Admin) instanceProvision(ctx context.Context) http.Handler {
 		),
 	)
 
-	return tpl.HTMLHandler(func(r *http.Request) (ipc instanceProvisionContext, err error) {
-		ipc.systemParams = newSystemParams()
+	return tpl.HTMLHandler(func(r *http.Request) (ipc instanceSystemContext, err error) {
+		ipc.prepare(false)
 		return ipc, nil
 	})
 }
diff --git a/internal/dis/component/server/admin/instance_rebuild.go b/internal/dis/component/server/admin/instance_rebuild.go
index 9533284..4f953f4 100644
--- a/internal/dis/component/server/admin/instance_rebuild.go
+++ b/internal/dis/component/server/admin/instance_rebuild.go
@@ -17,27 +17,42 @@ import (
 	_ "embed"
 )
 
-//go:embed "html/instance_rebuild.html"
-var instanceRebuildHTML []byte
-var instanceRebuildTemplate = templating.Parse[instanceRebuildContext](
-	"instance_rebuild.html", instanceRebuildHTML, nil,
-
-	templating.Title("Rebuild Instance"),
-	templating.Assets(assets.AssetsAdminRebuild),
+//go:embed "html/instance_system.html"
+var instanceSystemHTML []byte
+var instanceSystemTemplate = templating.Parse[instanceSystemContext](
+	"instance_system.html", instanceSystemHTML, nil,
 )
 
-type instanceRebuildContext struct {
+// instanceSystemContext is the context for instance_system.html
+type instanceSystemContext struct {
 	templating.RuntimeFlags
 
-	Slug   string
-	System models.System
+	// parameters for completion
+	PHPVersions             []string
+	ContentSecurityPolicies []string
+	DefaultPHPVersion       string
 
-	systemParams
+	// Are we in rebuild mode?
+	Rebuild bool
+	Slug    string
+	System  models.System
+}
+
+// prepare prares the given instanceSystemContent
+func (isc *instanceSystemContext) prepare(rebuild bool) {
+	isc.Rebuild = rebuild
+	isc.PHPVersions = models.KnownPHPVersions()
+	isc.ContentSecurityPolicies = models.ContentSecurityPolicyExamples()
+	isc.DefaultPHPVersion = models.DefaultPHPVersion
 }
 
 func (admin *Admin) instanceRebuild(ctx context.Context) http.Handler {
-	tpl := instanceRebuildTemplate.Prepare(
+	tpl := instanceSystemTemplate.Prepare(
 		admin.Dependencies.Templating,
+
+		templating.Title("Rebuild Instance"),
+		templating.Assets(assets.AssetsAdminRebuild),
+
 		templating.Crumbs(
 			menuAdmin,
 			menuInstances,
@@ -46,20 +61,20 @@ func (admin *Admin) instanceRebuild(ctx context.Context) http.Handler {
 		),
 	)
 
-	return tpl.HTMLHandlerWithFlags(func(r *http.Request) (ib instanceRebuildContext, funcs []templating.FlagFunc, err error) {
+	return tpl.HTMLHandlerWithFlags(func(r *http.Request) (isc instanceSystemContext, funcs []templating.FlagFunc, err error) {
 		slug := httprouter.ParamsFromContext(r.Context()).ByName("slug")
 
 		var instance *wisski.WissKI
 		instance, err = admin.Dependencies.Instances.WissKI(r.Context(), slug)
 		if err == instances.ErrWissKINotFound {
-			return ib, nil, httpx.ErrNotFound
+			return isc, nil, httpx.ErrNotFound
 		}
 		if err != nil {
-			return ib, nil, err
+			return isc, nil, err
 		}
 
-		ib.Slug = instance.Slug
-		ib.System = instance.System
+		isc.Slug = instance.Slug
+		isc.System = instance.System
 
 		// replace the menu item
 		funcs = []templating.FlagFunc{
@@ -68,7 +83,7 @@ func (admin *Admin) instanceRebuild(ctx context.Context) http.Handler {
 			templating.Title(instance.Slug + " - Rebuild"),
 		}
 
-		ib.systemParams = newSystemParams()
+		isc.prepare(true)
 		return
 	})
 }