diff --git a/package/network/services/dropbear/files/dropbear.init b/package/network/services/dropbear/files/dropbear.init
index ea4cad2a8d..5e4e089aba 100755
--- a/package/network/services/dropbear/files/dropbear.init
+++ b/package/network/services/dropbear/files/dropbear.init
@@ -10,7 +10,12 @@ PROG=/usr/sbin/dropbear
 NAME=dropbear
 PIDCOUNT=0
 
-extra_command "killclients" "Kill ${NAME} processes except servers and yourself"
+if type extra_command 1>/dev/null 2>&1; then
+	extra_command "killclients" "Kill ${NAME} processes except servers and yourself"
+else
+	EXTRA_COMMANDS="killclients"
+	EXTRA_HELP="	killclients Kill ${NAME} processes except servers and yourself"
+fi
 
 _dropbearkey()
 {