diff --git a/parm/atm/jcb-prototype_3dvar.yaml.j2 b/parm/atm/jcb-prototype_3dvar.yaml.j2
index 152683110..1975c1f05 100644
--- a/parm/atm/jcb-prototype_3dvar.yaml.j2
+++ b/parm/atm/jcb-prototype_3dvar.yaml.j2
@@ -16,8 +16,8 @@ observations:
   - conventional_ps
   - gnssro
 #  - gpsro
-#  - mtiasi_metop-a
-#  - mtiasi_metop-b
+#  - iasi_metop-a
+#  - iasi_metop-b
 #  - ompsnp_n20
   - ompsnp_npp
 #  - ompstc_n20
diff --git a/parm/atm/jcb-prototype_lgetkf.yaml.j2 b/parm/atm/jcb-prototype_lgetkf.yaml.j2
index a1b099bb6..2ed04df3b 100644
--- a/parm/atm/jcb-prototype_lgetkf.yaml.j2
+++ b/parm/atm/jcb-prototype_lgetkf.yaml.j2
@@ -25,8 +25,8 @@ observations:
   - conventional_ps
   - gnssro
 #  - gpsro
-#  - mtiasi_metop-a
-#  - mtiasi_metop-b
+#  - iasi_metop-a
+#  - iasi_metop-b
 #  - ompsnp_n20
   - ompsnp_npp
 #  - ompstc_n20
diff --git a/parm/atm/jcb-prototype_lgetkf_observer.yaml.j2 b/parm/atm/jcb-prototype_lgetkf_observer.yaml.j2
index 26654b175..4b800ac8f 100644
--- a/parm/atm/jcb-prototype_lgetkf_observer.yaml.j2
+++ b/parm/atm/jcb-prototype_lgetkf_observer.yaml.j2
@@ -25,8 +25,8 @@ observations:
   - conventional_ps
   - gnssro
 #  - gpsro
-#  - mtiasi_metop-a
-#  - mtiasi_metop-b
+#  - iasi_metop-a
+#  - iasi_metop-b
 #  - ompsnp_n20
   - ompsnp_npp
 #  - ompstc_n20
diff --git a/parm/atm/jcb-prototype_lgetkf_solver.yaml.j2 b/parm/atm/jcb-prototype_lgetkf_solver.yaml.j2
index 677934158..b5123dde9 100644
--- a/parm/atm/jcb-prototype_lgetkf_solver.yaml.j2
+++ b/parm/atm/jcb-prototype_lgetkf_solver.yaml.j2
@@ -25,8 +25,8 @@ observations:
   - conventional_ps
   - gnssro
 #  - gpsro
-#  - mtiasi_metop-a
-#  - mtiasi_metop-b
+#  - iasi_metop-a
+#  - iasi_metop-b
 #  - ompsnp_n20
   - ompsnp_npp
 #  - ompstc_n20
diff --git a/parm/ioda/bufr2ioda/bufr2ioda_mtiasi.yaml b/parm/ioda/bufr2ioda/bufr2ioda_iasi.yaml
similarity index 98%
rename from parm/ioda/bufr2ioda/bufr2ioda_mtiasi.yaml
rename to parm/ioda/bufr2ioda/bufr2ioda_iasi.yaml
index c15df2b62..c11e147c6 100755
--- a/parm/ioda/bufr2ioda/bufr2ioda_mtiasi.yaml
+++ b/parm/ioda/bufr2ioda/bufr2ioda_iasi.yaml
@@ -94,7 +94,7 @@ observations:
 
     ioda:
       backend: netcdf
-      obsdataout: "{{ COM_OBS }}/{{ RUN }}.t{{ cyc }}z.mtiasi_$(splitvar).tm00.nc" 
+      obsdataout: "{{ COM_OBS }}/{{ RUN }}.t{{ cyc }}z.iasi_$(splitvar).tm00.nc" 
 
       dimensions:
         - name: Channel