diff --git a/start_pms b/start_pms
index 784b390..a91a5ff 100644
--- a/start_pms
+++ b/start_pms
@@ -11,7 +11,7 @@ export PLEX_MEDIA_SERVER_CONFIG_DIR="${PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR
 if [ ! -d "$PLEX_MEDIA_SERVER_CONFIG_DIR" ]
 then
   mkdir -p "$PLEX_MEDIA_SERVER_CONFIG_DIR" && \
-  chown $UID:$GID "$PLEX_MEDIA_SERVER_CONFIG_DIR"
+  chown $SUID:$SGID "$PLEX_MEDIA_SERVER_CONFIG_DIR"
   if [ ! $? -eq 0 ]
   then
     echo "WARNING COULDN'T CREATE $PLEX_MEDIA_SERVER_CONFIG_DIR, MAKE SURE I HAVE PERMISSON TO DO THAT!"
@@ -34,7 +34,7 @@ export LD_LIBRARY_PATH="${PLEX_MEDIA_SERVER_HOME}:$LD_LIBRARY_PATH"
 export TMPDIR="${PLEX_MEDIA_SERVER_TMPDIR}"
 
 # Allow Plex group to write to tmpdir
-chgrp $GID "$TMPDIR"
+chgrp $SGID "$TMPDIR"
 chmod g+rwx "$TMPDIR"
 
 PIDFILE="${PLEX_MEDIA_SERVER_CONFIG_DIR}/plexmediaserver.pid"