diff --git a/cases/icon-art-oem-test/config.yaml b/cases/icon-art-oem-test/config.yaml
index 3f60d797..a50fbacc 100644
--- a/cases/icon-art-oem-test/config.yaml
+++ b/cases/icon-art-oem-test/config.yaml
@@ -41,7 +41,7 @@ chem:
     nameformat: '%Y%m%d_%H'
     suffix: .grb
     inc: 3
-    chem_in_to_chem_out_remap_tracers:
+    remap_tracers:
         CH4_BG: TRCH4_chemtr
 
 icontools_runjobs:
diff --git a/jobs/prepare_art_oem.py b/jobs/prepare_art_oem.py
index ae79f916..7990c9d9 100644
--- a/jobs/prepare_art_oem.py
+++ b/jobs/prepare_art_oem.py
@@ -75,9 +75,9 @@ def main(cfg):
             ds_chem['PS'].attrs = ds_chem['LNPS'].attrs
             ds_chem['PS'].attrs["long_name"] = 'surface pressure'
             # Remapping chemical tracer names
-            if "chem_in_to_chem_out_remap_tracers" in cfg.chem:
+            if "remap_tracers" in cfg.chem:
                 for chem_in, chem_out in cfg.chem[
-                        'chem_in_to_chem_out_remap_tracers'].items():
+                        'remap_tracers'].items():
                     ds_chem[chem_out] = ds_chem[chem_in]
             # merge:
             ds_merged = xr.merge([ds_meteo, ds_chem], compat="override")