diff --git a/extras/fixture/src/unity_fixture.c b/extras/fixture/src/unity_fixture.c
index 04a4c69..5c7400e 100644
--- a/extras/fixture/src/unity_fixture.c
+++ b/extras/fixture/src/unity_fixture.c
@@ -6,6 +6,7 @@
 ========================================== */
 
 #include <string.h>
+#include <stdio.h>
 #include "unity_fixture.h"
 #include "unity_internals.h"