diff --git a/dlls/oledb32/tests/database.c b/dlls/oledb32/tests/database.c
index c0d5237af72..fe92bb8eb84 100644
--- a/dlls/oledb32/tests/database.c
+++ b/dlls/oledb32/tests/database.c
@@ -31,7 +31,7 @@
 #include "wine/test.h"
 
 
-void test_database(void)
+static void test_database(void)
 {
     HRESULT hr;
     IDBInitialize *dbinit = NULL;