diff --git a/helpers/config b/helpers/config
index fe571ca..c502aac 100755
--- a/helpers/config
+++ b/helpers/config
@@ -141,6 +141,7 @@ if grep -q "BEGIN PGP SIGNATURE" *.dsc; then
   touch ${LOCAL_APT}/keyring.gpg
   gpg2 --no-use-agent --keyring ${LOCAL_APT}/keyring.gpg --import ${LOCAL_APT}/etc/trusted.gpg
   gpg2 --no-use-agent --verify --keyring ${LOCAL_APT}/etc/trusted.gpg *.dsc
+  [ -n SCHROOT_COMMAND ] && gpgconf --kill gpg-agent
 else
   echo WARNING! The dsc file is not gpg signed!
   [ -z "$EXTERNAL" ] && exit 1