diff --git a/frigate/util/model.py b/frigate/util/model.py
index 03d3c2733..d43320006 100644
--- a/frigate/util/model.py
+++ b/frigate/util/model.py
@@ -183,7 +183,7 @@ class FaceClassificationModel:
 
         res = self.classifier.predict([embedding])
 
-        if not res:
+        if res is None:
             return None
 
         label = res[0]