diff --git a/webtrees/rootfs/scripts/99-custom_script.sh b/webtrees/rootfs/scripts/99-custom_script.sh
new file mode 100644
index 000000000..9351f1366
--- /dev/null
+++ b/webtrees/rootfs/scripts/99-custom_script.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+CONFIGSOURCE=$(bashio::config "CONFIG_LOCATION")
+CONFIGSOURCE="$(dirname "${CONFIGSOURCE}")"
+
+if [ -f "$CONFIGSOURCE"/script.sh ]; then
+"$CONFIGSOURCE"./script.sh
+fi