diff --git a/config b/config
index 715bb59..47bdbe8 100755
--- a/config
+++ b/config
@@ -1,10 +1,10 @@
 #!/usr/bin/env bash
 export REDIS_IMAGE=${REDIS_IMAGE:="redis"}
 export REDIS_IMAGE_VERSION=${REDIS_IMAGE_VERSION:="3.0.4"}
-export REDIS_ROOT=/var/lib/dokku/services/redis
+export REDIS_ROOT=${REDIS_ROOT:="/var/lib/dokku/services/redis"}
 
 export PLUGIN_COMMAND_PREFIX="redis"
-export PLUGIN_DATA_ROOT=${PLUGIN_DATA_ROOT:="$REDIS_ROOT"}
+export PLUGIN_DATA_ROOT=$REDIS_ROOT
 export PLUGIN_DATASTORE_PORTS=(6379)
 export PLUGIN_DEFAULT_ALIAS="REDIS"
 export PLUGIN_IMAGE=$REDIS_IMAGE