diff --git a/bin/scratch b/bin/scratch
index c226c7c..2d4cad6 100755
--- a/bin/scratch
+++ b/bin/scratch
@@ -1,5 +1,5 @@
 #!/bin/bash
-export scratch=$(mktemp -d -t tmp.XXXXXXXXXX)
+export scratch=$(mktemp -p /dev/shm -d -t tmp.XXXXXXXXXX)
 function finish {
   echo "Deleting $scratch..."
   rm -rf "$scratch"