diff --git a/config b/config
index ec5ab13..466fe01 100755
--- a/config
+++ b/config
@@ -4,7 +4,7 @@ export REDIS_IMAGE_VERSION=${REDIS_IMAGE_VERSION:="3.0.3"}
 export REDIS_ROOT=/var/lib/dokku/services/redis
 
 export PLUGIN_COMMAND_PREFIX="redis"
-export PLUGIN_DATA_ROOT=$REDIS_ROOT
+export PLUGIN_DATA_ROOT=${PLUGIN_DATA_ROOT:="$REDIS_ROOT"}
 export PLUGIN_DATASTORE_PORTS=(6379)
 export PLUGIN_DEFAULT_ALIAS="REDIS"
 export PLUGIN_IMAGE=$REDIS_IMAGE