diff --git a/config b/config
index dc567df..bf43c8f 100644
--- a/config
+++ b/config
@@ -3,7 +3,8 @@ _DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 export MONGO_IMAGE=${MONGO_IMAGE:="$(awk -F '[ :]' '{print $2}' "${_DIR}/Dockerfile")"}
 export MONGO_IMAGE_VERSION=${MONGO_IMAGE_VERSION:="$(awk -F '[ :]' '{print $3}' "${_DIR}/Dockerfile")"}
 export MONGO_ROOT=${MONGO_ROOT:="$DOKKU_LIB_ROOT/services/mongo"}
-export MONGO_HOST_ROOT=${MONGO_HOST_ROOT:=$MONGO_ROOT}
+export DOKKU_LIB_HOST_ROOT=${DOKKU_LIB_HOST_ROOT:=$DOKKU_LIB_ROOT}
+export MONGO_HOST_ROOT=${MONGO_HOST_ROOT:="$DOKKU_LIB_HOST_ROOT/services/mongo"}
 
 export PLUGIN_UNIMPLEMENTED_SUBCOMMANDS=()
 export PLUGIN_COMMAND_PREFIX="mongo"