diff --git a/bin/tests/system/conf.sh.common b/bin/tests/system/conf.sh.common
index cd0838a893..b68c93dd93 100644
--- a/bin/tests/system/conf.sh.common
+++ b/bin/tests/system/conf.sh.common
@@ -727,4 +727,5 @@ export SIGNER
 export SUBDIRS
 export TMPDIR
 export TSIGKEYGEN
+export VERIFY
 export WIRETEST