1 files changed, 23 insertions, 5 deletions
diff --git a/app/services/projects/update_service.rb b/app/services/projects/update_service.rb
index 69bdd045ddf..895e089bea3 100644
--- a/app/services/projects/update_service.rb
+++ b/app/services/projects/update_service.rb
@@ -3,12 +3,16 @@ module Projects
     def execute
       # check that user is allowed to set specified visibility_level
       new_visibility = params[:visibility_level]
-      if new_visibility && new_visibility.to_i != project.visibility_level
-        unless can?(current_user, :change_visibility_level, project) &&
-          Gitlab::VisibilityLevel.allowed_for?(current_user, new_visibility)
-          deny_visibility_level(project, new_visibility)
-          return project
+      if new_visibility
+        if new_visibility.to_i != project.visibility_level
+          unless can?(current_user, :change_visibility_level, project) &&
+            Gitlab::VisibilityLevel.allowed_for?(current_user, new_visibility)
+            deny_visibility_level(project, new_visibility)
+            return project
+          end
         end
+
+        return false unless visibility_level_allowed?(new_visibility)
       end
 
       new_branch = params[:default_branch]
@@ -23,5 +27,19 @@ module Projects
         end
       end
     end
+
+    private
+
+    def visibility_level_allowed?(level)
+      return true if project.visibility_level_allowed?(level)
+
+      level_name = Gitlab::VisibilityLevel.level_name(level)
+      project.errors.add(
+        :visibility_level,
+        "#{level_name} could not be set as visibility level of this project - parent project settings are more restrictive"
+      )
+
+      false
+    end
   end
 end