Index: stegdetect.c
--- stegdetect.c.orig
+++ stegdetect.c
@@ -1046,7 +1046,7 @@ detect_print(void)
 		}
 	}
  done:
-	fprintf(stdout, " %s(%d)<[%s][", what,
+	fprintf(stdout, " %s(%zu)<[%s][", what,
 	    buflen, is_random(buf, buflen) ? "random" : "nonrandom");
 	noprint = 0;
 	/* Prints to stdout */