diff --git a/install.sh b/install.sh
index 3dd3579..8f04778 100755
--- a/install.sh
+++ b/install.sh
@@ -1,3 +1,10 @@
 #!/usr/bin/env bash
 
-ln -s "$(realpath .)" ~/'.local/share/gnome-shell/extensions/paperwm@hedning:matrix.org'
+DEST=${XDG_DATA_HOME:-$HOME/.local/share}/'gnome-shell/extensions/paperwm@hedning:matrix.org'
+
+if [[ -L "$DEST" || ! -e "$DEST" ]]; then
+    ln -fTs "$(realpath ./src)" "$DEST"
+else
+    echo Install destination already exists: "$DEST"
+    echo "  re run install to fix it."
+fi