diff --git a/frigate/object_detection.py b/frigate/object_detection.py
index a4daeea2d..eaa3b4e04 100644
--- a/frigate/object_detection.py
+++ b/frigate/object_detection.py
@@ -13,7 +13,7 @@ from setproctitle import setproctitle
 import frigate.util as util
 from frigate.detectors import create_detector
 from frigate.detectors.detector_config import BaseDetectorConfig, InputTensorEnum
-from frigate.detectors.plugins.rocm import ROCmDetector
+from frigate.detectors.plugins.rocm import DETECTOR_KEY as ROCM_DETECTOR_KEY
 from frigate.util.builtin import EventsPerSecond, load_labels
 from frigate.util.image import SharedMemoryFrameManager
 from frigate.util.services import listen
@@ -48,7 +48,7 @@ class LocalObjectDetector(ObjectDetector):
             self.labels = load_labels(labels)
 
         if detector_config:
-            if detector_config is ROCmDetector:
+            if detector_config.type == ROCM_DETECTOR_KEY:
                 # ROCm requires NHWC as input
                 self.input_transform = None
             else: