diff --git a/src/imgio.c b/src/imgio.c
index c9e0c2a..1739671 100644
--- a/src/imgio.c
+++ b/src/imgio.c
@@ -177,7 +177,7 @@ jpeg_save(const unsigned int* src_buf, const JPEG* attr, const char* name)
 	if (!fptr || dst_buf == NULL || dst_size <= 0)
 	{
 		tj3Free(dst_buf);
-		return 0;
+		return 25;
 	}
 	fwrite(dst_buf, 1, dst_size, fptr);
 	fclose(fptr);