diff --git a/cases/icon-art-oem-test/config.yaml b/cases/icon-art-oem-test/config.yaml
index 475d326a..a50fbacc 100644
--- a/cases/icon-art-oem-test/config.yaml
+++ b/cases/icon-art-oem-test/config.yaml
@@ -41,6 +41,8 @@ chem:
     nameformat: '%Y%m%d_%H'
     suffix: .grb
     inc: 3
+    remap_tracers:
+        CH4_BG: TRCH4_chemtr
 
 icontools_runjobs:
     - icontools_remap_ic_runjob.cfg
diff --git a/jobs/prepare_art_oem.py b/jobs/prepare_art_oem.py
index 8e4abe17..b421aa1d 100644
--- a/jobs/prepare_art_oem.py
+++ b/jobs/prepare_art_oem.py
@@ -74,7 +74,10 @@ def main(cfg):
             ds_chem['PS'] = ds_chem['LNPS']
             ds_chem['PS'].attrs = ds_chem['LNPS'].attrs
             ds_chem['PS'].attrs["long_name"] = 'surface pressure'
-            ds_chem['TRCH4_chemtr'] = ds_chem['CH4_BG']
+            # Remapping chemical tracer names
+            if "remap_tracers" in cfg.chem:
+                for chem_in, chem_out in cfg.chem['remap_tracers'].items():
+                    ds_chem[chem_out] = ds_chem[chem_in]
             # merge:
             ds_merged = xr.merge([ds_meteo, ds_chem], compat="override")
             #ds_merged.attrs = ds.attrs