diff --git a/parm/config/gfs/config.fbwind b/parm/config/gfs/config.fbwind
index c96f35bf7a..49fdb9e7b4 100644
--- a/parm/config/gfs/config.fbwind
+++ b/parm/config/gfs/config.fbwind
@@ -6,6 +6,6 @@
 echo "BEGIN: config.fbwind"
 
 # Get task specific resources
-. $EXPDIR/config.resources fbwind
+source "${EXPDIR}/config.resources" fbwind
 
 echo "END: config.fbwind"