diff --git a/rhodecode/config/settings_maker.py b/rhodecode/config/settings_maker.py
index fd05b715..c946db82 100644
--- a/rhodecode/config/settings_maker.py
+++ b/rhodecode/config/settings_maker.py
@@ -46,6 +46,14 @@ def initialize_ini_config_default_values_if_not_present(
         log.warning("Config file %s not found.", ini_path)
         return
 
+    if not os.access(ini_path, os.W_OK):
+        log.warning(
+            "Cannot save value for %s, reason: cannot write to config file '%s' due to lack of permissions.",
+            option,
+            ini_path,
+        )
+        return
+
     updater = ConfigUpdater()
     updater.read(ini_path)