diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 529f8b4..bb7f8c1 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -15,7 +15,7 @@ ENV DEBIAN_FRONTEND="noninteractive" \
 PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR="/config/Library/Application Support" \
 PLEX_MEDIA_SERVER_HOME="/usr/lib/plexmediaserver" \
 PLEX_MEDIA_SERVER_MAX_PLUGIN_PROCS="6" \
-PLEX_MEDIA_SERVER_USER=abc \
+PLEX_MEDIA_SERVER_USER="abc" \
 PLEX_MEDIA_SERVER_INFO_VENDOR="Docker" \
 PLEX_MEDIA_SERVER_INFO_DEVICE="Docker Container (linuxserver.io)"