diff --git a/misc-scripts/xref_mapping/XrefMapper/SubmitMapper.pm b/misc-scripts/xref_mapping/XrefMapper/SubmitMapper.pm
index 2e24b1e455a85230ddeecba2cf815a8401447fde..6dc90cd5e908362773f47bed8676c42db6645b39 100644
--- a/misc-scripts/xref_mapping/XrefMapper/SubmitMapper.pm
+++ b/misc-scripts/xref_mapping/XrefMapper/SubmitMapper.pm
@@ -1033,7 +1033,7 @@ sub submit_depend_job {
 #  push @depend_bsub, ('-q', $queue, '-o', "$root_dir/depend.out", '-e', "$root_dir/depend.err");
 
   my $jobid = 0;
-  my $memory_resources = q{-M 5 -R"select[mem>5] rusage[mem=5]"}
+  my $memory_resources = q{-M 5 -R"select[mem>5] rusage[mem=5]"};
   my $com = "bsub -K -q $queue $memory_resources -o $root_dir/depend.out -e $root_dir/depend.err $ended_str /bin/true";