diff --git a/backend/windmill-api-workspaces/src/workspaces.rs b/backend/windmill-api-workspaces/src/workspaces.rs
index 7845e5489f..8183c60eed 100644
--- a/backend/windmill-api-workspaces/src/workspaces.rs
+++ b/backend/windmill-api-workspaces/src/workspaces.rs
@@ -2722,17 +2722,20 @@ async fn edit_git_sync_config(
             .map(|e| {
                 e.repositories
                     .iter()
-                    .filter(|old| {
-                        !git_sync_settings
+                    .filter_map(|old| {
+                        let hook = old.auto_pull.as_ref().and_then(|a| a.webhook_id)?;
+                        // The save carries the hook forward (reconciled below) only
+                        // when the repo is still present AND still has auto_pull — the
+                        // preservation loop copies webhook fields only onto a Some
+                        // auto_pull. Otherwise (repo dropped, or auto_pull cleared) the
+                        // hook would orphan, so delete it.
+                        let carried = git_sync_settings
                             .repositories
                             .iter()
-                            .any(|n| n.git_repo_resource_path == old.git_repo_resource_path)
-                    })
-                    .filter_map(|old| {
-                        old.auto_pull
-                            .as_ref()
-                            .and_then(|a| a.webhook_id)
-                            .map(|h| (old.git_repo_resource_path.clone(), h))
+                            .find(|n| n.git_repo_resource_path == old.git_repo_resource_path)
+                            .map(|n| n.auto_pull.is_some())
+                            .unwrap_or(false);
+                        (!carried).then_some((old.git_repo_resource_path.clone(), hook))
                     })
                     .collect()
             })
diff --git a/frontend/src/lib/components/git_sync/GitSyncRepositoryCard.svelte b/frontend/src/lib/components/git_sync/GitSyncRepositoryCard.svelte
index 8f9c2c919e..771eaa86bb 100644
--- a/frontend/src/lib/components/git_sync/GitSyncRepositoryCard.svelte
+++ b/frontend/src/lib/components/git_sync/GitSyncRepositoryCard.svelte
@@ -80,8 +80,10 @@
 	// repo and applied to all of its forks, so hide it when the current workspace
 	// is itself a fork.
 	const currentWorkspaceData = $derived($userWorkspaces?.find((w) => w.id === $workspaceStore))
+	// A fork or dev workspace: has a parent, or carries the wm-fork- id prefix
+	// (which survives if the parent is deleted). Mirrors the backend/CLI rule.
 	const isFork = $derived(
-		($workspaceStore?.startsWith('wm-fork-') ?? false) &&
+		($workspaceStore?.startsWith('wm-fork-') ?? false) ||
 			!!currentWorkspaceData?.parent_workspace_id
 	)
 	function setForkOpenPrs(v: boolean) {