diff --git a/monkey/monkey_island/cc/resources/island_mode.py b/monkey/monkey_island/cc/resources/island_mode.py
index dd51d9fdb..b69b399c0 100644
--- a/monkey/monkey_island/cc/resources/island_mode.py
+++ b/monkey/monkey_island/cc/resources/island_mode.py
@@ -22,3 +22,5 @@ class IslandMode(flask_restful.Resource):
             return make_response({}, 200)
         except ValueError:
             return make_response({}, 422)
+        except Exception:
+            return make_response({}, 500)
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 91c6d0435..df4e9c25a 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
@@ -1,8 +1,10 @@
 import json
 
 import pytest
+from tests.utils import raise_
 
 from monkey_island.cc.models.island_mode_model import IslandMode
+from monkey_island.cc.resources import island_mode as island_mode_resource
 
 
 @pytest.fixture(scope="function")
@@ -24,6 +26,15 @@ def test_island_mode_post__invalid_mode(flask_client):
     assert resp.status_code == 422
 
 
+def test_island_mode_post__internal_server_error(monkeypatch, flask_client):
+    monkeypatch.setattr(island_mode_resource, "set_mode", lambda x: raise_(Exception()))
+
+    resp = flask_client.post(
+        "/api/island-mode", data=json.dumps({"mode": "ransomware"}), follow_redirects=True
+    )
+    assert resp.status_code == 500
+
+
 def test_island_mode_post__set_model(flask_client, uses_database):
     flask_client.post(
         "/api/island-mode", data=json.dumps({"mode": "ransomware"}), follow_redirects=True