diff --git a/operators/tracker.py b/operators/tracker.py
index b8a38fc..3e7d8cd 100644
--- a/operators/tracker.py
+++ b/operators/tracker.py
@@ -381,7 +381,7 @@ class VSETB_OT_upload_to_tracker(Operator):
                     preview_template = expand(upload_to_tracker.render_strip_template, **project_templates)
                     strip_data['ext'] = 'mov'
                 else:
-                    preview_template = expandvars(self.project.render_video_strip_template)
+                    preview_template = expand(self.project.render_video_strip_template, **project_templates)
 
                 preview = preview_template.format(**strip_data)
                 preview = Path(os.path.abspath(bpy.path.abspath(preview)))