diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index 890276bd1e672f886ee37a26e0808de10995a47f..b91015df96aa49c2fb28f4cd5a73f6d77f75b065 100644
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -24,7 +24,7 @@ clean_up() {
        rm -f $TMP_FILE
        exit
 }
-trap clean_up SIGHUP SIGINT SIGTERM
+trap clean_up HUP INT TERM
 
 usage() {
 	echo "Usage: $0 [OPTIONS] [CONFIG [...]]"