diff --git a/src/enc/vp8l_enc.c b/src/enc/vp8l_enc.c
index 72506cfc..611e7d3e 100644
--- a/src/enc/vp8l_enc.c
+++ b/src/enc/vp8l_enc.c
@@ -1973,6 +1973,8 @@ WebPEncodingError VP8LEncodeStream(const WebPConfig* const config,
         enc_side->palette_size_ = enc_main->palette_size_;
         memcpy(enc_side->palette_, enc_main->palette_,
                sizeof(enc_main->palette_));
+        memcpy(enc_side->palette_sorted_, enc_main->palette_sorted_,
+               sizeof(enc_main->palette_sorted_));
         param->enc_ = enc_side;
       }
       // Create the workers.