diff --git a/nessus_file_analyzer/app.py b/nessus_file_analyzer/app.py
index 9f35379..7633a33 100644
--- a/nessus_file_analyzer/app.py
+++ b/nessus_file_analyzer/app.py
@@ -2952,7 +2952,7 @@ def log_emitter(self, action_name, source_file_name, additional_info=''):
         :param additional_info: add more information if needed
         """
         notification = f'[action={action_name}] [source_file_name={source_file_name}] {additional_info}'
-        self.signal.emit(notification)
+        self.signal.emit(str(notification))
 
 
 def main():