diff --git a/internal/config/guest_metadata_test.go b/internal/config/guest_metadata_test.go
index 121b8fb6a..ce9959c91 100644
--- a/internal/config/guest_metadata_test.go
+++ b/internal/config/guest_metadata_test.go
@@ -647,6 +647,9 @@ func TestGuestMetadataStore_GetWithLegacyMigration_ClusteredMatchesNodeFormat(t
 	if result.ID != "pve1:node1:100" {
 		t.Errorf("ID = %q, want %q", result.ID, "pve1:node1:100")
 	}
+
+	// Wait for async save to complete before test cleanup
+	time.Sleep(100 * time.Millisecond)
 }
 
 func TestGuestMetadataStore_GetWithLegacyMigration_ConcurrentMigration(t *testing.T) {