diff --git a/ssh/.ssh/config b/ssh/.ssh/config
index 60d68d8..b95664b 100755
--- a/ssh/.ssh/config
+++ b/ssh/.ssh/config
@@ -35,6 +35,8 @@ Host NASHOME
         Port 2564
 
 Host gitlab.xlim.fr
-        AddKeysToAgent yes
-        UseKeychain yes
-        IdentityFile ~/.ssh/gitlab_forge
+  AddKeysToAgent yes
+  UseKeychain yes
+  PreferredAuthentications publickey
+  IdentityFile ~/.ssh/gitlab_forge
+  IdentitiesOnly yes