diff --git a/monkey/infection_monkey/exploit/caching_agent_binary_repository.py b/monkey/infection_monkey/exploit/caching_agent_binary_repository.py
index 8af4b7a4d..1d8067da3 100644
--- a/monkey/infection_monkey/exploit/caching_agent_binary_repository.py
+++ b/monkey/infection_monkey/exploit/caching_agent_binary_repository.py
@@ -34,8 +34,7 @@ class CachingAgentBinaryRepository(IAgentBinaryRepository):
 
     @lru_cache(maxsize=None)
     def _download_binary_from_island(self, operating_system: OperatingSystem) -> bytes:
-        os_name = operating_system.value
         try:
-            return self._island_api_client.get_agent_binary(os_name)
+            return self._island_api_client.get_agent_binary(operating_system)
         except IslandAPIError as err:
             raise RetrievalError(err)
diff --git a/monkey/infection_monkey/island_api_client/http_island_api_client.py b/monkey/infection_monkey/island_api_client/http_island_api_client.py
index 7c8cab1ab..3b2adfe61 100644
--- a/monkey/infection_monkey/island_api_client/http_island_api_client.py
+++ b/monkey/infection_monkey/island_api_client/http_island_api_client.py
@@ -3,6 +3,7 @@ import logging
 
 import requests
 
+from common import OperatingSystem
 from common.common_consts.timeouts import LONG_REQUEST_TIMEOUT, MEDIUM_REQUEST_TIMEOUT
 
 from . import (
@@ -78,7 +79,8 @@ class HTTPIslandAPIClient(IIslandAPIClient):
         return response.content
 
     @handle_island_errors
-    def get_agent_binary(self, os_name: str):
+    def get_agent_binary(self, operating_system: OperatingSystem):
+        os_name = operating_system.value
         response = requests.get(  # noqa: DUO123
             f"{self._api_url}/agent-binaries/{os_name}",
             verify=False,