diff --git a/dlls/setupapi/tests/stringtable.c b/dlls/setupapi/tests/stringtable.c
index 40e4a54d189..2b7b77a0aa1 100644
--- a/dlls/setupapi/tests/stringtable.c
+++ b/dlls/setupapi/tests/stringtable.c
@@ -304,6 +304,7 @@ static void test_StringTableLookUpStringEx(void)
     ok(!memcmp(buffer, &data, 4), "unexpected data\n");
 
     pStringTableDestroy(table);
+    pStringTableDestroy(table2);
 }
 
 static void test_StringTableStringFromId(void)