diff --git a/misc/cgo/test/issue5227.go b/misc/cgo/test/issue5227.go
index d89a1cabf2..336c4c6091 100644
--- a/misc/cgo/test/issue5227.go
+++ b/misc/cgo/test/issue5227.go
@@ -17,7 +17,7 @@ Fontinfo SansTypeface;
 extern void init();
 
 Fontinfo loadfont() {
-        Fontinfo f;
+        Fontinfo f = {0};
         return f;
 }