diff --git a/test/suite/mock_fm.py b/test/suite/mock_fm.py
index 3bd1c9ae37bff505167def756f6f4e8ecb3d6773..b1f1a894dd5e5dfd3ab7615a658646151b19e866 100644
--- a/test/suite/mock_fm.py
+++ b/test/suite/mock_fm.py
@@ -13,8 +13,7 @@ class FunctionManager(object):
         self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         self.server_address = ('localhost', port)
         self.sock.connect(self.server_address)
-        FunctionManager.logger.complete(
-            f"Connection set up at address {self.server_address[0]:{self.server_address[1]}}")
+        FunctionManager.logger.complete(f"Connection set up at address {self.server_address}")
 
     def send_command(self, cmd, run_no):
         message = cmd + " " + str(run_no)