diff --git a/lib/rb/lib/thrift/transport/ttransport.rb b/lib/rb/lib/thrift/transport/ttransport.rb
index 47403fc..01de06e 100644
--- a/lib/rb/lib/thrift/transport/ttransport.rb
+++ b/lib/rb/lib/thrift/transport/ttransport.rb
@@ -140,7 +140,7 @@
     end
 
     if (@rbuf.length == 0)
-      self.readFrame
+      readFrame
     end
 
     # return full buf