diff --git a/dix/dix_priv.h b/dix/dix_priv.h
index 839e48e29c..6cac282b5b 100644
--- a/dix/dix_priv.h
+++ b/dix/dix_priv.h
@@ -768,7 +768,7 @@ static inline int __write_reply_hdr_and_rpcbuf(
          swapl(&reply->length);
     }
 
-    WriteToClient(pClient, hdrLen, hdrData);
+    WriteToClient(pClient, (int)hdrLen, hdrData);
     WriteRpcbufToClient(pClient, rpcbuf);
 
     return Success;
@@ -787,7 +787,7 @@ static inline int __write_reply_hdr_simple(
          swapl(&reply->length);
     }
 
-    WriteToClient(pClient, hdrLen, hdrData);
+    WriteToClient(pClient, (int)hdrLen, hdrData);
     return Success;
 }