diff --git a/src/drivers/mct/cime_config/testdefs/testmods_dirs/drv/default/shell_commands b/src/drivers/mct/cime_config/testdefs/testmods_dirs/drv/default/shell_commands
index 8cb8e28f5b20..180e38db21d5 100755
--- a/src/drivers/mct/cime_config/testdefs/testmods_dirs/drv/default/shell_commands
+++ b/src/drivers/mct/cime_config/testdefs/testmods_dirs/drv/default/shell_commands
@@ -1,2 +1,2 @@
 ./xmlchange HIST_OPTION=ndays
-./xmlchange HIST_N=1
\ No newline at end of file
+./xmlchange HIST_N=1