diff --git a/checkers/existence_ncdf_out.sh b/checkers/existence_ncdf_out.sh
index 528e0e2..060452c 100755
--- a/checkers/existence_ncdf_out.sh
+++ b/checkers/existence_ncdf_out.sh
@@ -24,7 +24,7 @@ if [ ! -d "${RUNDIR}" ] ; then
   exit 20 # FAIL
 fi
 
-FILELIST=$(ls -1 ${RUNDIR}/output/l[bf]ff[0-9][0-9]*.nc 2>/dev/null)
+FILELIST=$(ls -1 ${RUNDIR}/output/l[bf]f*[0-9]*.nc 2>/dev/null)
 if [ $? -ne 0 ] ; then
   echo "No netCDF output file found"  1>&1
   exit 20 # FAIL