diff --git a/WASEProxy.py b/WASEProxy.py
index 1c25c30..25a04de 100755
--- a/WASEProxy.py
+++ b/WASEProxy.py
@@ -42,7 +42,7 @@ def mitm_request(self, data):
             scheme = "http"
         url = scheme + "://" + self.hostname
         if scheme == "http" and int(self.port) != 80 or scheme == "https" and int(self.port) != 443:
-            url += ":" + self.port
+            url += ":" + str(self.port)
         url += self.path
 
         if args.verbose: