diff --git a/openpype/hosts/photoshop/api/lib.py b/openpype/hosts/photoshop/api/lib.py
index 97322d3de9..e0fd0664ef 100644
--- a/openpype/hosts/photoshop/api/lib.py
+++ b/openpype/hosts/photoshop/api/lib.py
@@ -43,7 +43,7 @@ def main(*subprocess_args):
             webpublisher_addon.headless_publish,
             log,
             "ClosePS",
-            is_in_tests
+            is_in_tests()
         )
     elif env_value_to_bool("AVALON_PHOTOSHOP_WORKFILES_ON_LAUNCH",
                            default=True):