diff --git a/joal/Dockerfile b/joal/Dockerfile
index acec1a623..ff1c5a228 100644
--- a/joal/Dockerfile
+++ b/joal/Dockerfile
@@ -7,7 +7,7 @@ SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 ARG BUILD_VERSION
 ARG BUILD_UPSTREAM="2.1.24"
 
-VOLUME "/data"
+VOLUME ["/data"]
 
 RUN \
 #Install bashio