fix include file name
diff --git a/test/fff_test_cpp.cpp b/test/fff_test_cpp.cpp
index b5a4a23..77103e9 100644
--- a/test/fff_test_cpp.cpp
+++ b/test/fff_test_cpp.cpp
@@ -12,7 +12,7 @@
 #define OVERRIDE_CALL_HIST_LEN 17u
 #define FFF_CALL_HISTORY_LEN OVERRIDE_CALL_HIST_LEN
 
-#include "../fff3.h"
+#include "../fff.h"
 #include <gtest/gtest.h>
 
 DEFINE_FFF_GLOBALS