diff --git a/tools/MultiRelay/RelayMultiPackets.py b/tools/MultiRelay/RelayMultiPackets.py
index 2aa164e..095059b 100644
--- a/tools/MultiRelay/RelayMultiPackets.py
+++ b/tools/MultiRelay/RelayMultiPackets.py
@@ -45,7 +45,7 @@ else:
 
 def StructWithLenPython2or3(endian,data):
 	#Python2...
-	if PY2OR3 is "PY2":
+	if PY2OR3 == "PY2":
 		return struct.pack(endian, data)
 	#Python3...
 	else: