diff --git a/monkey/infection_monkey/master/mock_master.py b/monkey/infection_monkey/master/mock_master.py
index 3844ef590..1d8791c4c 100644
--- a/monkey/infection_monkey/master/mock_master.py
+++ b/monkey/infection_monkey/master/mock_master.py
@@ -100,7 +100,7 @@ class MockMaster(IMaster):
 
     def _exploit(self):
         logger.info("Exploiting victims")
-        result, info, attempts = self._puppet.exploit_host(
+        result, info, attempts, error_message = self._puppet.exploit_host(
             "PowerShellExploiter", "10.0.0.1", {}, None
         )
         logger.info(f"Attempts for exploiting {attempts}")
@@ -108,7 +108,9 @@ class MockMaster(IMaster):
             ExploitTelem("PowerShellExploiter", self._hosts["10.0.0.1"], result, info, attempts)
         )
 
-        result, info, attempts = self._puppet.exploit_host("SSHExploiter", "10.0.0.3", {}, None)
+        result, info, attempts, error_message = self._puppet.exploit_host(
+            "SSHExploiter", "10.0.0.3", {}, None
+        )
         logger.info(f"Attempts for exploiting {attempts}")
         self._telemetry_messenger.send_telemetry(
             ExploitTelem("SSHExploiter", self._hosts["10.0.0.3"], result, info, attempts)