diff --git a/homeassistant/components/motioneye/__init__.py b/homeassistant/components/motioneye/__init__.py
index cb5e80b9c98..3d8c775f140 100644
--- a/homeassistant/components/motioneye/__init__.py
+++ b/homeassistant/components/motioneye/__init__.py
@@ -52,9 +52,9 @@ def create_motioneye_client(
 
 def get_motioneye_device_identifier(
     config_entry_id: str, camera_id: int
-) -> tuple[str, str, int]:
+) -> tuple[str, str]:
     """Get the identifiers for a motionEye device."""
-    return (DOMAIN, config_entry_id, camera_id)
+    return (DOMAIN, f"{config_entry_id}_{camera_id}")
 
 
 def get_motioneye_entity_unique_id(
diff --git a/tests/components/motioneye/__init__.py b/tests/components/motioneye/__init__.py
index a462d083038..ed91d7c40a3 100644
--- a/tests/components/motioneye/__init__.py
+++ b/tests/components/motioneye/__init__.py
@@ -18,7 +18,7 @@ TEST_URL = f"http://test:{DEFAULT_PORT+1}"
 TEST_CAMERA_ID = 100
 TEST_CAMERA_NAME = "Test Camera"
 TEST_CAMERA_ENTITY_ID = "camera.test_camera"
-TEST_CAMERA_DEVICE_IDENTIFIER = (DOMAIN, TEST_CONFIG_ENTRY_ID, TEST_CAMERA_ID)
+TEST_CAMERA_DEVICE_IDENTIFIER = (DOMAIN, f"{TEST_CONFIG_ENTRY_ID}_{TEST_CAMERA_ID}")
 TEST_CAMERA = {
     "show_frame_changes": False,
     "framerate": 25,