diff --git a/common/users/cadey/spacemacs/default.nix b/common/users/cadey/spacemacs/default.nix
index aee4f70..596eabb 100644
--- a/common/users/cadey/spacemacs/default.nix
+++ b/common/users/cadey/spacemacs/default.nix
@@ -32,8 +32,15 @@ in
   };
 
   home.activation.spacemacs = ''
+    mkdir -p ~/.ssh
+
+    if ! grep github.com ~/.ssh/known_hosts > /dev/null
+    then
+        echo "github.com ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==" >> ~/.ssh/known_hosts
+    fi
+
     if [ ! -d "$HOME/.emacs.d" ]; then
-      git clone https://github.com/syl20bnr/spacemacs ~/.emacs.d
+      GIT_CONFIG_GLOBAL=/dev/null GIT_CONFIG_SYSTEM=/dev/null git clone https://github.com/syl20bnr/spacemacs ~/.emacs.d
       systemctl --user restart emacs
     fi
   '';