diff --git a/libavcodec/snow.h b/libavcodec/snow.h
index a3b0512490..f15b50f65f 100644
--- a/libavcodec/snow.h
+++ b/libavcodec/snow.h
@@ -315,7 +315,8 @@ static av_always_inline void add_yblock(SnowContext *s, int sliced, slice_buffer
         if(!sliced && !offset_dst)
             dst -= src_x;
         src_x=0;
-    }else if(src_x + b_w > w){
+    }
+    if(src_x + b_w > w){
         b_w = w - src_x;
     }
     if(src_y<0){
@@ -324,7 +325,8 @@ static av_always_inline void add_yblock(SnowContext *s, int sliced, slice_buffer
         if(!sliced && !offset_dst)
             dst -= src_y*dst_stride;
         src_y=0;
-    }else if(src_y + b_h> h){
+    }
+    if(src_y + b_h> h){
         b_h = h - src_y;
     }