diff --git a/src/image.c b/src/image.c
index 56c41f6c..e79fc098 100644
--- a/src/image.c
+++ b/src/image.c
@@ -23,6 +23,7 @@
 #include "http_stream.h"
 #endif
 
+extern int check_mistakes;
 int windows = 0;
 
 float colors[6][3] = { {1,0,1}, {0,0,1},{0,1,1},{0,1,0},{1,1,0},{1,0,0} };
@@ -961,8 +962,6 @@ image ipl_to_image(IplImage* src)
     return out;
 }
 
-extern int check_mistakes;
-
 image load_image_cv(char *filename, int channels)
 {
     IplImage* src = 0;