diff --git a/src/define.sh b/src/define.sh
index 8df6dbf..53da885 100644
--- a/src/define.sh
+++ b/src/define.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+: "${VERIFY:=""}"
 : "${MANUAL:=""}"
 : "${VERSION:=""}"
 : "${DETECTED:=""}"