diff --git a/libavcodec/utvideoenc.c b/libavcodec/utvideoenc.c
index ef6a614..6896087 100644
--- a/libavcodec/utvideoenc.c
+++ b/libavcodec/utvideoenc.c
@@ -473,6 +473,8 @@ static int encode_plane(AVCodecContext *avctx, uint8_t *src,

     uint32_t offset = 0, slice_len = 0;
     int      i, sstart, send = 0;
+    int      only_one_symbol = 0;
+    int      symbol;

     /* Do prediction / make planes */
     switch (c->frame_pred) {
@@ -509,6 +511,38 @@ static int encode_plane(AVCodecContext *avctx, uint8_t *src,
     /* Count the occurences of values */
     count_usage(dst, width, height, counts);

+    /* Check for a special case where only one symbol was used */
+    for (symbol = 0; symbol < 256; symbol++) {
+        /* If non-zero count is found, see if it matches width * height */
+        if (counts[symbol]) {
+            only_one_symbol = (counts[symbol] == width * height);
+            break;
+        }
+    }
+
+    /* Special case if only one symbol was used */
+    if (only_one_symbol) {
+        av_log(c->avctx, AV_LOG_WARNING, "Special single symbol case used.\n");
+
+        /* Write a zero for the single symbol used in the plane, else 0xFF */
+        for (i = 0; i < 256; i++) {
+            if (i == symbol)
+                (*pkt_dst)[i] = 0;
+            else
+                (*pkt_dst)[i] = 0xFF;
+        }
+        *pkt_dst += 256;
+
+        /* Write zeroes for lengths */
+        for (i = 0; i < c->slices; i++) {
+            AV_WL32(*pkt_dst + (4 * i), 0);
+        }
+        *pkt_dst += 4 * c->slices;
+
+        /* And that's all for that plane folks */
+        return 0;
+    }
+
     /* Calculate huffman lengths */
     calculate_code_lengths(lengths, counts);