diff --git a/apps/app-frontend/src/components/ui/library/instance-group/instance-group-dnd.vue b/apps/app-frontend/src/components/ui/library/instance-group/instance-group-dnd.vue
index 1c1178886..0d12c5e14 100644
--- a/apps/app-frontend/src/components/ui/library/instance-group/instance-group-dnd.vue
+++ b/apps/app-frontend/src/components/ui/library/instance-group/instance-group-dnd.vue
@@ -68,7 +68,7 @@ let statusPopoverFrame: number | undefined
 
 const instanceGroupDragStatusStyle = computed(() => ({
 	left: `${Math.min(instanceGroupDragPointer.value.x + 4, window.innerWidth - 220)}px`,
-	top: `${Math.min(instanceGroupDragPointer.value.y, window.innerHeight - 48)}px`,
+	top: `${Math.min(instanceGroupDragPointer.value.y + 4, window.innerHeight - 48)}px`,
 }))
 
 watch(
diff --git a/apps/app-frontend/src/components/ui/library/use-library.ts b/apps/app-frontend/src/components/ui/library/use-library.ts
index fabab5741..5707703a1 100644
--- a/apps/app-frontend/src/components/ui/library/use-library.ts
+++ b/apps/app-frontend/src/components/ui/library/use-library.ts
@@ -455,6 +455,11 @@ function createLibraryState(instances: Ref<GameInstance[]>) {
 		const target = instanceGroupDragTarget.value
 		if (target) {
 			const dropState = getInstanceGroupDropState(target)
+			const isSourceGroup =
+				normalizeInstanceGroupId(target) === activeInstanceGroupDrag.value?.fromGroup
+			if (!isSourceGroup && !dropState.canDrop && dropState.alreadyInGroup) {
+				return 'Already in this group'
+			}
 			if (!dropState.canDrop || dropState.operation !== 'add') return
 
 			const count = new Set(