diff --git a/debian/davical.postinst b/debian/davical.postinst
index 0f2d84ea..84b82145 100644
--- a/debian/davical.postinst
+++ b/debian/davical.postinst
@@ -22,7 +22,7 @@ case $1 in
   configure)
       # Attempt to run the database upgrade script with default
       # settings, but ignore any possible failure.
-      /usr/share/davical/dba/update-davical-database || true
+      /usr/share/davical/dba/update-davical-database > /var/log/davical-upgrade.log 2>&1 || true
     ;;
 esac