diff --git a/AGCM.rc.tmpl b/AGCM.rc.tmpl
index a5c985d2..e1cf97d8 100644
--- a/AGCM.rc.tmpl
+++ b/AGCM.rc.tmpl
@@ -123,6 +123,8 @@ CLOSURE_CONGESTUS: 3
 @HIST_GOCARTCA.oc::CA.ocphilic default
 @HIST_GOCARTNI::NO3an1 "NI::NO3an2,NI::NO3an3"
 @HIST_GOCARTPCHEM::OX default
+@HIST_GOCARTNI::NH3 default
+@HIST_GOCARTNI::NH4a default
 @HIST_GOCART::
 @HIST_GOCART###########################################################
 
diff --git a/HISTORY.AGCM.rc.tmpl b/HISTORY.AGCM.rc.tmpl
index 272939b9..351e1ece 100644
--- a/HISTORY.AGCM.rc.tmpl
+++ b/HISTORY.AGCM.rc.tmpl
@@ -995,8 +995,8 @@ PC@HIST_IMx@HIST_JM-DC.LM: @AGCM_LM
                                'NH4WT'          , 'NI'        ,
                                'NIFLUXU'        , 'NI'        ,
                                'NIFLUXV'        , 'NI'        ,
-                               'NH3SV'          , 'NI'        ,
-                               'NH4SV'          , 'NI'        ,
+                               'MCHEMTRI%NI::NH3IM'            , 'PHYSICS' , 'NH3SV' ,
+                               'MCHEMTRI%NI::NH4aIM'            , 'PHYSICS' , 'NH4SV' , 
                                'MCHEMTRI%DU::DUIM'             , 'PHYSICS' , 'DUSV' ,
                                'MCHEMTRI%SS::SSIM'             , 'PHYSICS' , 'SSSV' ,
                                'MCHEMTRI%CA.oc::CA.ocphilicIM' , 'PHYSICS' , 'OCSV' ,