diff --git a/src/domain.py b/src/domain.py
index 7481e4088..c4c8d0160 100644
--- a/src/domain.py
+++ b/src/domain.py
@@ -389,7 +389,11 @@ def domain_main_domain(operation_logger, new_main_domain=None):
         raise YunohostError("main_domain_change_failed")
 
     # Generate SSOwat configuration file
-    app_ssowatconf()
+    try:
+        app_ssowatconf()
+    except Exception as e:
+        logger.warning(str(e), exc_info=1)
+        raise YunohostError("main_domain_change_failed")
 
     # Regen configurations
     if os.path.exists("/etc/yunohost/installed"):