diff --git a/pgtree.plugin.bash b/pgtree.plugin.bash
new file mode 100644
index 0000000..69a6483
--- /dev/null
+++ b/pgtree.plugin.bash
@@ -0,0 +1 @@
+alias pgtree="${BASH_SOURCE%.plugin.bash}/pgtree"
\ No newline at end of file
diff --git a/pgtree.plugin.zsh b/pgtree.plugin.zsh
new file mode 100644
index 0000000..c49793a
--- /dev/null
+++ b/pgtree.plugin.zsh
@@ -0,0 +1 @@
+alias pgtree="${0%.plugin.zsh}/pgtree"
\ No newline at end of file