diff --git a/frigate/app.py b/frigate/app.py
index bc4f626e0..2f771ec4d 100644
--- a/frigate/app.py
+++ b/frigate/app.py
@@ -512,6 +512,9 @@ class FrigateApp:
                     1,
                 )
 
+        if cam_total_frame_size == 0.0:
+            return 0
+
         shm_frame_count = min(50, int(available_shm / (cam_total_frame_size)))
 
         logger.debug(