diff --git a/scripts/exglobal_atmos_upp.py b/scripts/exglobal_atmos_upp.py
index 4e4ee7d2f3..f87f06d2c9 100755
--- a/scripts/exglobal_atmos_upp.py
+++ b/scripts/exglobal_atmos_upp.py
@@ -19,7 +19,7 @@ def main():
 
     # Pull out all the configuration keys needed to run the rest of UPP steps
     keys = ['HOMEgfs', 'DATA', 'current_cycle', 'RUN', 'NET',
-            'COMIN_ATMOS_ANALYSIS', 'COMIN_ATMOS_HISTORY', 'COMIN_ATMOS_MASTER',
+            'COMIN_ATMOS_ANALYSIS', 'COMIN_ATMOS_HISTORY', 'COMOUT_ATMOS_MASTER',
             'upp_run',
             'APRUN_UPP',
             'forecast_hour', 'valid_datetime',