1 files changed, 1 insertions, 1 deletions
diff --git a/src/util.h b/src/util.h
index 8e0503a..bcc2828 100644
--- a/src/util.h
+++ b/src/util.h
@@ -1,7 +1,7 @@
 #ifndef _UTIL_H_
 #define _UTIL_H_
 
-void
+int
 pgm_save(unsigned char *buf, int wrap, int xsize, int ysize, char *filename);
 
 /* Store half of frame_a and half of frame_b in frame_a */