diff --git a/soitool/soi_workspace_widget.py b/soitool/soi_workspace_widget.py
index 9aece133ebf261534d9053c40979e254ef099ec5..d2c929d84443a27ed08ff11a475de7d472d53ac1 100644
--- a/soitool/soi_workspace_widget.py
+++ b/soitool/soi_workspace_widget.py
@@ -98,7 +98,11 @@ class SOIWorkspaceWidget(QWidget):
                 if not module_name:
                     module_name = "{} {}".format(
                         module_choice,
-                        str(len(self.soi.modules) + len(self.soi.attachments) + 1),
+                        str(
+                            len(self.soi.modules)
+                            + len(self.soi.attachments)
+                            + 1
+                        ),
                     )
 
                 try: