diff --git a/libexec/copy-from-target b/libexec/copy-from-target
index 24e0682..3e0c71f 100755
--- a/libexec/copy-from-target
+++ b/libexec/copy-from-target
@@ -41,4 +41,4 @@ if [ $# = 0 ] ; then
   exit 1
 fi
 
-scp -oConnectTimeout=2 -i ${GITIAN_BASE:-.}/var/id_dsa -P $VM_SSH_PORT -r $TUSER@localhost:$1 $2
+scp -oConnectTimeout=2 -oNoHostAuthenticationForLocalhost=yes -i ${GITIAN_BASE:-.}/var/id_dsa -P $VM_SSH_PORT -r $TUSER@localhost:$1 $2
diff --git a/libexec/copy-to-target b/libexec/copy-to-target
index 896f84c..4bba84d 100755
--- a/libexec/copy-to-target
+++ b/libexec/copy-to-target
@@ -41,4 +41,4 @@ if [ $# = 0 ] ; then
   exit 1
 fi
 
-scp -oConnectTimeout=2 -i ${GITIAN_BASE:-.}/var/id_dsa -P $VM_SSH_PORT $1 $TUSER@localhost:$2
+scp -oConnectTimeout=2 -oNoHostAuthenticationForLocalhost=yes -i ${GITIAN_BASE:-.}/var/id_dsa -P $VM_SSH_PORT $1 $TUSER@localhost:$2