fix include file name
diff --git a/test/fff_test_c.c b/test/fff_test_c.c
index 1e2c134..5a00525 100644
--- a/test/fff_test_c.c
+++ b/test/fff_test_c.c
@@ -6,7 +6,7 @@
 #define OVERRIDE_CALL_HIST_LEN 17u
 #define FFF_CALL_HISTORY_LEN OVERRIDE_CALL_HIST_LEN
 
-#include "../fff3.h"
+#include "../fff.h"
 #include "c_test_framework.h"
 
 #include <assert.h>