1 files changed, 2 insertions, 0 deletions
diff --git a/crawl-ref/source/tags.cc b/crawl-ref/source/tags.cc
index 8640b2e758..8aeabbf1c1 100644
--- a/crawl-ref/source/tags.cc
+++ b/crawl-ref/source/tags.cc
@@ -1510,6 +1510,7 @@ static void tag_construct_level(struct tagHeader &th)
         marshallByte(th, env.cloud[i].y);
         marshallByte(th, env.cloud[i].type);
         marshallShort(th, env.cloud[i].decay);
+        marshallByte(th,  (char) env.cloud[i].spread_rate);
         marshallShort(th, env.cloud[i].whose);
     }
 
@@ -1748,6 +1749,7 @@ static void tag_read_level( struct tagHeader &th, char minorVersion )
         env.cloud[i].y = unmarshallByte(th);
         env.cloud[i].type = static_cast<cloud_type>(unmarshallByte(th));
         env.cloud[i].decay = unmarshallShort(th);
+        env.cloud[i].spread_rate = (unsigned char) unmarshallByte(th);
         env.cloud[i].whose = static_cast<kill_category>(unmarshallShort(th));
     }