diff --git a/lib/erl/src/thrift_http_transport.erl b/lib/erl/src/thrift_http_transport.erl
index 80762d7..ee6a864 100644
--- a/lib/erl/src/thrift_http_transport.erl
+++ b/lib/erl/src/thrift_http_transport.erl
@@ -146,7 +146,7 @@
                                  read_buffer = Rbuf,
                                  write_buffer = Wbuf,
                                  http_options = HttpOptions}) ->
-    case iolist_to_binary(Wbuf) of ->
+    case iolist_to_binary(Wbuf) of
         <<>> ->
             %% Don't bother flushing empty buffers.
             {ok, State};