diff --git a/pype/scripts/otio_burnin.py b/pype/scripts/otio_burnin.py
index 390471c849..cc018a04ea 100644
--- a/pype/scripts/otio_burnin.py
+++ b/pype/scripts/otio_burnin.py
@@ -294,7 +294,7 @@ def burnins_from_data(input_path, output_path, data, overwrite=True):
 
         if (
             bi_func in ['frame_numbers', 'timecode'] and
-            not start_frame
+            start_frame is None
         ):
             log.error(
                 'start_frame is not set in entered data!'