diff --git a/gst-libs/gst/video/video-blend.c b/gst-libs/gst/video/video-blend.c
index 835b7bbdc2..7aa7173ddb 100644
--- a/gst-libs/gst/video/video-blend.c
+++ b/gst-libs/gst/video/video-blend.c
@@ -325,10 +325,12 @@ gst_video_blend (GstVideoFrame * dest,
 
   /* adjust width/height if the src is bigger than dest */
   if (x + src_width > dest_width)
-    src_width = dest_width - x;
+    if (dest_width > x)
+      src_width = dest_width - x;
 
   if (y + src_height > dest_height)
-    src_height = dest_height - y;
+    if (dest_height > y)
+      src_height = dest_height - y;
 
   /* Mainloop doing the needed conversions, and blending */
   for (i = y; i < y + src_height; i++) {