diff --git a/libavcodec/proresenc_anatoliy.c b/libavcodec/proresenc_anatoliy.c
index 16741afd68..9b9ffa03be 100644
--- a/libavcodec/proresenc_anatoliy.c
+++ b/libavcodec/proresenc_anatoliy.c
@@ -486,8 +486,7 @@ static av_always_inline int encode_alpha_slice_data(AVCodecContext *avctx, int8_
             run++;
         }
     } while (idx < num_coeffs);
-    if (run)
-        put_alpha_run(&pb, run);
+    put_alpha_run(&pb, run);
     flush_put_bits(&pb);
     *a_data_size = put_bytes_output(&pb);
 
diff --git a/libavcodec/proresenc_kostya.c b/libavcodec/proresenc_kostya.c
index e904632f8e..8d45e42d1a 100644
--- a/libavcodec/proresenc_kostya.c
+++ b/libavcodec/proresenc_kostya.c
@@ -562,8 +562,7 @@ static void encode_alpha_plane(ProresContext *ctx, PutBitContext *pb,
             run++;
         }
     } while (idx < num_coeffs);
-    if (run)
-        put_alpha_run(pb, run);
+    put_alpha_run(pb, run);
 }
 
 static int encode_slice(AVCodecContext *avctx, const AVFrame *pic,