diff --git a/shell/alias/kill.sh b/shell/alias/kill.sh
index 970352d..a6e105c 100644
--- a/shell/alias/kill.sh
+++ b/shell/alias/kill.sh
@@ -1,10 +1,12 @@
 # kill a process by id
-alias k="\
-kill \
-"
+k() {
+	kill \
+		"${@}"
+}
 
 # force kill a process by id
-alias kf="\
-kill \
--9 \
-"
+kf() {
+	kill \
+		-9 \
+		"${@}"
+}