diff --git a/.buildbot/snap/build.sh b/.buildbot/snap/build.sh
index 1375b5f4..5d65a745 100755
--- a/.buildbot/snap/build.sh
+++ b/.buildbot/snap/build.sh
@@ -1,7 +1,9 @@
-#!/bin/sh
+#!/bin/bash
 
-cd packages && snapcraft
+pushd packages && snapcraft || exit 1
 
-cd ..
+popd
 mkdir -p ../out
 mv packages/pybitmessage*.snap ../out
+cd ../out
+sha256sum pybitmessage*.snap > SHA256SUMS