diff --git a/mkdir-tmpfs.sh b/mkdir-tmpfs.sh
new file mode 100644
index 0000000..2fe21f4
--- /dev/null
+++ b/mkdir-tmpfs.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+set -euo pipefail
+
+
+mkdir \
+	-p \
+	/mnt/run
+
+mount \
+	-t \
+	tmpfs \
+	tmpfs \
+	/mnt/run
+
+mkdir \
+	-p \
+	/mnt/run/lock
diff --git a/pre-inst.sh b/pre-inst.sh
index d9c059b..525226f 100755
--- a/pre-inst.sh
+++ b/pre-inst.sh
@@ -107,19 +107,7 @@ sleep 5
 
 "${baseDir}/zfs.sh"
 
-mkdir \
-	-p \
-	/mnt/run
-
-mount \
-	-t \
-	tmpfs \
-	tmpfs \
-	/mnt/run
-
-mkdir \
-	-p \
-	/mnt/run/lock
+"${baseDir}/mkdir-tmpfs.sh"
 
 if [[ "${ID}" == 'elementary' ]]; then
 	"${baseDir}/elementary.sh" --mmdebstrap