diff --git a/Procfile b/Procfile
index 60719ef6..4ff759d2 100644
--- a/Procfile
+++ b/Procfile
@@ -1 +1 @@
-web: CMD_DB_URL="$DATABASE_URL" CMD_PORT="$PORT" npm run start
+web: ./bin/heroku_start.sh
diff --git a/bin/heroku_start.sh b/bin/heroku_start.sh
new file mode 100755
index 00000000..fa9bb6c3
--- /dev/null
+++ b/bin/heroku_start.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+set -euo pipefail
+
+CMD_DB_URL="$DATABASE_URL" CMD_PORT="$PORT" npm run start