diff --git a/dlls/ole32/tests/ole2.c b/dlls/ole32/tests/ole2.c
index cc3476d60f7..99b8acb0503 100644
--- a/dlls/ole32/tests/ole2.c
+++ b/dlls/ole32/tests/ole2.c
@@ -1481,7 +1481,7 @@ static void test_default_handler(void)
     IOleObject_Release(pObject);
 }
 
-void test_runnable(void)
+static void test_runnable(void)
 {
     static const char *methods_query_runnable[] =
     {