diff --git a/libswscale/swscale-example.c b/libswscale/swscale-example.c
index 3e73b52b3bf87936efad5d9532c5d7f4d31e75cc..fda3e2332c84385d10948d086ba2dbd4772eb3e7 100644
--- a/libswscale/swscale-example.c
+++ b/libswscale/swscale-example.c
@@ -27,7 +27,7 @@
 #undef HAVE_AV_CONFIG_H
 #include "libavutil/avutil.h"
 #include "swscale.h"
-//#include "swscale_internal.h"
+#include "swscale_internal.h"
 #include "rgb2rgb.h"
 
 static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h){