diff --git a/test/CFrontend/2002-07-30-VarArgsCallFailure.c b/test/CFrontend/2002-07-30-VarArgsCallFailure.c
index dfe9d63c1b2..cdce478adc7 100644
--- a/test/CFrontend/2002-07-30-VarArgsCallFailure.c
+++ b/test/CFrontend/2002-07-30-VarArgsCallFailure.c
@@ -1,6 +1,6 @@
-#include <stdio.h>
 int tcount;
+void test(char *, const char*, int);
 void foo() {
 	char Buf[10];
-	sprintf(Buf, "n%%%d", tcount++);
+	test(Buf, "n%%%d", tcount++);
 }