diff --git a/websockify/websockifyserver.py b/websockify/websockifyserver.py
index 670209e..3f78e0e 100644
--- a/websockify/websockifyserver.py
+++ b/websockify/websockifyserver.py
@@ -153,7 +153,7 @@ class WebSockifyRequestHandler(WebSocketRequestHandlerMixIn, SimpleHTTPRequestHa
             except WebSocketWantWriteError:
                 self.print_traffic("<.")
                 return True
-            self.send_parts.pop()
+            self.send_parts.pop(0)
             self.print_traffic("<")
 
         return False