diff --git a/npbackup/gui/__main__.py b/npbackup/gui/__main__.py
index 41684bb..b01a054 100644
--- a/npbackup/gui/__main__.py
+++ b/npbackup/gui/__main__.py
@@ -716,7 +716,7 @@ def _main_gui(viewer_mode: bool):
     logger = ofunctions.logger_utils.logger_get_logger(log_file, debug=_DEBUG)
 
     if args.config_file:
-        config_file = Path(args.config_file)
+        config_file = Path(args.config_file).absolute()
     else:
         config_file = Path(f"{CURRENT_DIR}/npbackup.conf")