diff --git a/Tests/FindGTK2/gdk/main.c b/Tests/FindGTK2/gdk/main.c
index 71f523bd1d..2d03fbeb78 100644
--- a/Tests/FindGTK2/gdk/main.c
+++ b/Tests/FindGTK2/gdk/main.c
@@ -2,6 +2,6 @@
 
 int main(int argc, char* argv[])
 {
-  gdk_init(argc, argv);
+  gdk_init(&argc, &argv);
   return 0;
 }