diff --git a/libexec/copy-to-target b/libexec/copy-to-target
index 0a39c66..f422e3f 100755
--- a/libexec/copy-to-target
+++ b/libexec/copy-to-target
@@ -49,6 +49,7 @@ fi
 if [ -n "$USE_DOCKER" ]; then
     docker exec -u $TUSER gitian-target mkdir -p "/home/$TUSER/$2"
     docker cp "$1" gitian-target:"/home/$TUSER/$2"
+    docker exec -u root gitian-target chown -R $TUSER:$TUSER "/home/$TUSER/$2"
 elif [ -z "$USE_LXC" ]; then
     src="${1%/}"  # remove trailing / which triggers special rsync behaviour
     rsync --checksum -a $QUIET_FLAG -e "ssh -oConnectTimeout=30 -oNoHostAuthenticationForLocalhost=yes -i ${GITIAN_BASE:-.}/var/id_rsa -p $VM_SSH_PORT" "${src}" "$TUSER@localhost:$2"