Index: mod/kcli/usage.fn.c
==================================================================
--- mod/kcli/usage.fn.c
+++ mod/kcli/usage.fn.c
@@ -24,11 +24,11 @@
 
 	const char* msg [] = {
 		name, " v", prg.version, "\n\n",
 		prg.desc, "\n\n",
 		"usage: ", _k_internal_binary_name,
-		prg.optc == 0 ? null : " [-",
+		prg.optc == 0 ? null : " [-", null,
 	};
 
 	if (!kokay(c = ksbufwrite(out, msg))) return c;
 
 	u8 longest_opt = 0;