diff --git a/home/default.nix b/home/default.nix
index 8584858..7b259f7 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -34,6 +34,9 @@
           export PATH=/etc/profiles/per-user/$USER/bin:/run/current-system/sw/bin/:$PATH
           # For 1Password CLI. This requires `pkgs.gh` to be installed.
           source $HOME/.config/op/plugins.sh
+          # Because, adding it in .ssh/config is not enough.
+          # cf. https://developer.1password.com/docs/ssh/get-started#step-4-configure-your-ssh-or-git-client
+          export SSH_AUTH_SOCK=~/Library/Group\ Containers/2BUA8C4S2C.com.1password/t/agent.sock
         '';
       };
     };