diff --git a/libavcodec/utvideodec.c b/libavcodec/utvideodec.c
index 05c943f808..abf550b081 100644
--- a/libavcodec/utvideodec.c
+++ b/libavcodec/utvideodec.c
@@ -214,6 +214,8 @@ static void restore_median(uint8_t *src, int step, int stride,
         slice_height = ((((slice + 1) * height) / slices) & cmask) -
                        slice_start;
 
+        if (!slice_height)
+            continue;
         bsrc = src + slice_start * stride;
 
         // first line - left neighbour prediction
@@ -269,6 +271,8 @@ static void restore_median_il(uint8_t *src, int step, int stride,
         slice_height   = ((((slice + 1) * height) / slices) & cmask) -
                          slice_start;
         slice_height >>= 1;
+        if (!slice_height)
+            continue;
 
         bsrc = src + slice_start * stride;