diff --git a/tools/MultiRelay/RelayMultiCore.py b/tools/MultiRelay/RelayMultiCore.py
index 31d0dfc..d82856a 100644
--- a/tools/MultiRelay/RelayMultiCore.py
+++ b/tools/MultiRelay/RelayMultiCore.py
@@ -66,20 +66,20 @@ class Packet():
 
 def StructWithLenPython2or3(endian,data):
 	#Python2...
-	if PY2OR3 is "PY2":
+	if PY2OR3 == "PY2":
 		return struct.pack(endian, data)
 	#Python3...
 	else:
 		return struct.pack(endian, data).decode('latin-1')
 
 def NetworkSendBufferPython2or3(data):
-	if PY2OR3 is "PY2":
+	if PY2OR3 == "PY2":
 		return str(data)
 	else:
 		return bytes(str(data), 'latin-1')
 
 def NetworkRecvBufferPython2or3(data):
-	if PY2OR3 is "PY2":
+	if PY2OR3 == "PY2":
 		return str(data)
 	else:
 		return str(data.decode('latin-1'))