diff --git a/zppy/templates/ilamb.bash b/zppy/templates/ilamb.bash
index eb2f2d23..5ebcd715 100644
--- a/zppy/templates/ilamb.bash
+++ b/zppy/templates/ilamb.bash
@@ -44,7 +44,7 @@ start_year=$(echo $Y1 | sed 's/^0*//')
 end_year=$(echo $Y2 | sed 's/^0*//')
 for year in `seq $start_year {{ ts_num_years }} $end_year`;
 do
-  end_year_int=$((${start_year} + {{ ts_num_years }} - 1))
+  end_year_int=$((${year} + {{ ts_num_years }} - 1))
   start_year=`printf "%04d" ${year}`
   end_year=`printf "%04d" ${end_year_int}`
   echo "Copying files for ${start_year} to ${end_year}"