diff --git a/test/driver.c b/test/driver.c
index acf79df05..a55e1180f 100644
--- a/test/driver.c
+++ b/test/driver.c
@@ -6,6 +6,7 @@
 */
 
 
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>