diff --git a/cgo.md b/cgo.md
index 3dd0d3b7..e27f3ba8 100644
--- a/cgo.md
+++ b/cgo.md
@@ -209,6 +209,7 @@ package main
 int callOnMeGo_cgo(int in)
 {
 	printf("C.callOnMeGo_cgo(): called with arg = %d\n", in);
+	int callOnMeGo(int);
 	return callOnMeGo(in);
 }
 */