diff --git a/scripts/exgfs_wave_post_gridded_sbs.sh b/scripts/exgfs_wave_post_gridded_sbs.sh
index 556321c218..85966c6478 100755
--- a/scripts/exgfs_wave_post_gridded_sbs.sh
+++ b/scripts/exgfs_wave_post_gridded_sbs.sh
@@ -404,6 +404,6 @@ source "${USHgfs}/preamble.sh"
 # --------------------------------------------------------------------------- #
 # 7.  Ending output
 
-echo "$exit_code"
+echo "${exit_code}"
 
 # End of MWW3 prostprocessor script ---------------------------------------- #