diff --git a/dotfiles-old/scripts/dash_sh.sh b/dotfiles-old/scripts/dash_sh.sh
new file mode 100644
index 0000000..00b9d32
--- /dev/null
+++ b/dotfiles-old/scripts/dash_sh.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+set -ex
+
+which sh >/dev/null 2>&1 \
+	|| exit 1
+
+SH_LOCATION="$(which sh)"
+
+[ -L "$SH_LOCATION" ] \
+	|| exit 1
+
+which dash >/dev/null 2>&1 \
+	|| exit 1
+
+unlink "$SH_LOCATION"
+
+ln -s "$(which dash)" "$SH_LOCATION"