diff --git a/src/main.c b/src/main.c
index 94d581017..d40dcea12 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1363,8 +1363,8 @@ int main(int argc, char *argv[])
 			free(datares);
 			datares = NULL;
 		}
-		scaled_buf = rescale_img(vid_buf, XRES, YRES, &sw, &sh, 4);
-		datares = ptif_pack(scaled_buf, sw, sh, &res);
+		scaled_buf = resample_img(vid_buf, XRES, YRES, XRES/4, YRES/4);
+		datares = ptif_pack(scaled_buf, XRES/4, YRES/4, &res);
 		if(datares!=NULL){
 			f=fopen(ptismallfilename, "wb");
 			fwrite(datares, res, 1, f);