diff --git a/tmp/pre_upgrade_command b/tmp/pre_upgrade_command
index 829303ea5b..4f5732afa2 100644
--- a/tmp/pre_upgrade_command
+++ b/tmp/pre_upgrade_command
@@ -1,3 +1,7 @@
 #!/bin/sh
 
+# Record the previous version
+PRIOR_VERSION=`uname -r | cut -d'.' -f1`
+echo $PRIOR_VERSION > /tmp/pre_upgrade_version
+