diff --git a/bin/tests/system/conf.sh.common b/bin/tests/system/conf.sh.common
index 9047b998f7..a02ea71368 100644
--- a/bin/tests/system/conf.sh.common
+++ b/bin/tests/system/conf.sh.common
@@ -743,4 +743,5 @@ export SIGNER
 export SUBDIRS
 export TMPDIR
 export TSIGKEYGEN
+export VERIFY
 export WIRETEST