diff --git a/ece2cmor3/lpjg2cmor.py b/ece2cmor3/lpjg2cmor.py
index c0085748..bf509ba8 100644
--- a/ece2cmor3/lpjg2cmor.py
+++ b/ece2cmor3/lpjg2cmor.py
@@ -637,7 +637,7 @@ def add_nemo_variable(task, ncfile, nemo_var_name, nemo_var_freq):
     # add the nemo output to the lpjg output
     if os.path.exists(interm_file):
         os.remove(interm_file)
-    os.system("cdo -L add -selvar,"+task.target.variable+" "+ncfile+" "+nemo_ofile+" "+interm_file)
+    os.system("cdo -L add -selvar,"+task.target.variable+" "+ncfile+" -mulc,-1. "+nemo_ofile+" "+interm_file)
     if not os.path.exists(interm_file):
         log.error("There was a problem adding remapped %s variable from nemo output file %s to %s in table %s... "
                   % (nemo_var_name, nemo_ifile, task.target.variable, task.target.table))