diff --git a/parm/post_tag_gfs128 b/parm/post_tag_gfs128
index 9a9a3bdde..f9246e045 100644
--- a/parm/post_tag_gfs128
+++ b/parm/post_tag_gfs128
@@ -1,3 +1,6 @@
+&MODEL_INPUTS
+MODELNAME='GFS'
+/
 &NAMPGB
   KPO=57,PO=1000.,975.,950.,925.,900.,875.,850.,825.,800.,775.,750.,725.,700.,675.,650.,625.,600.,575.,550.,525.,500.,475.,450.,425.,400.,375.,350.,325.,300.,275.,250.,225.,200.,175.,150.,125.,100.,70.,50.,40.,30.,20.,15.,10.,7.,5.,3.,2.,1.,0.7,0.4,0.2,0.1,0.07,0.04,0.02,0.01,
   /
diff --git a/parm/post_tag_gfs65 b/parm/post_tag_gfs65
index 2653fea19..7643b75d7 100644
--- a/parm/post_tag_gfs65
+++ b/parm/post_tag_gfs65
@@ -1,3 +1,6 @@
+&MODEL_INPUTS
+MODELNAME='GFS'
+/
 &NAMPGB
  KPO=50,PO=1000.,975.,950.,925.,900.,875.,850.,825.,800.,775.,750.,725.,700.,675.,650.,625.,600.,575.,550.,525.,500.,475.,450.,425.,400.,375.,350.,325.,300.,275.,250.,225.,200.,175.,150.,125.,100.,70.,50.,40.,30.,20.,15.,10.,7.,5.,3.,2.,1.,0.4,
   /