diff --git a/gst/ffmpegcolorspace/imgconvert.c b/gst/ffmpegcolorspace/imgconvert.c
index dba12db704..12223b346a 100644
--- a/gst/ffmpegcolorspace/imgconvert.c
+++ b/gst/ffmpegcolorspace/imgconvert.c
@@ -1869,7 +1869,7 @@ grow41_line (uint8_t * dst, const uint8_t * src, int width)
     s1++;
     d += 4;
   }
-  for (; w >= 0; w--) {
+  for (; w > 0; w--) {
     d[0] = s1[0];
     d++;
   }