diff --git a/src/simudator/core/module.py b/src/simudator/core/module.py
index b7da1ff1246b090aa4e6aa2faa5388eb09bef596..dc654349b03ec12c0f3498374de1cfac5e2d5b65 100644
--- a/src/simudator/core/module.py
+++ b/src/simudator/core/module.py
@@ -116,7 +116,7 @@ class Module:
         """
         print(self.name)
 
-    def _helper_save_state_to_file(self, file_path: str, content="") -> bool:
+    def _helper_save_state_to_file(self, file_path: str, content: str) -> bool:
         """
         Tries to save the content to a given file.