diff --git a/monkey/monkey_island/cc/resources/island_mode.py b/monkey/monkey_island/cc/resources/island_mode.py
index 889b25a26..dd51d9fdb 100644
--- a/monkey/monkey_island/cc/resources/island_mode.py
+++ b/monkey/monkey_island/cc/resources/island_mode.py
@@ -21,4 +21,4 @@ class IslandMode(flask_restful.Resource):
             set_mode(mode)
             return make_response({}, 200)
         except ValueError:
-            return make_response({}, 404)
+            return make_response({}, 422)
diff --git a/monkey/tests/unit_tests/monkey_island/cc/resources/test_island_mode.py b/monkey/tests/unit_tests/monkey_island/cc/resources/test_island_mode.py
index 5c4362c64..91c6d0435 100644
--- a/monkey/tests/unit_tests/monkey_island/cc/resources/test_island_mode.py
+++ b/monkey/tests/unit_tests/monkey_island/cc/resources/test_island_mode.py
@@ -21,7 +21,7 @@ def test_island_mode_post__invalid_mode(flask_client):
     resp = flask_client.post(
         "/api/island-mode", data=json.dumps({"mode": "bogus mode"}), follow_redirects=True
     )
-    assert resp.status_code == 404
+    assert resp.status_code == 422
 
 
 def test_island_mode_post__set_model(flask_client, uses_database):