diff --git a/dlls/shell32/tests/shlfolder.c b/dlls/shell32/tests/shlfolder.c
index f676a2a7664..e3bf1917bee 100644
--- a/dlls/shell32/tests/shlfolder.c
+++ b/dlls/shell32/tests/shlfolder.c
@@ -1559,6 +1559,8 @@ static void test_ITEMIDLIST_format(void) {
 
         pILFree(pidlFile);
     }
+
+    IShellFolder_Release(psfPersonal);
 }
 
 static void testSHGetFolderPathAndSubDirA(void)