diff --git a/eeip/eipclient.py b/eeip/eipclient.py
index 5c66b59..e027b6f 100644
--- a/eeip/eipclient.py
+++ b/eeip/eipclient.py
@@ -749,7 +749,7 @@ def __send_udp(self):
             # -------------------Length
 
             # -------------------Sequence count
-            sequence += sequence
+            sequence += 1
             if self.__o_t_realtime_format != RealTimeFormat.HEARTBEAT:
                 message.append(sequence & 0xFF)
                 message.append((sequence & 0xFF00) >> 8)