diff --git a/plans.script.nix b/plans.script.nix
index ea9d685..bd1b542 100644
--- a/plans.script.nix
+++ b/plans.script.nix
@@ -2,6 +2,6 @@ with import <nixpkgs> {};
 
 pkgs.writeShellScriptBin "plans" ''
 	#!/bin/sh
-	file=~/sync/plans.txt plans-backend $@
+	file=~/sync/plans.txt plans-backend "$@"
 ''
 
diff --git a/todos.script.nix b/todos.script.nix
index f78547a..5f8ba2c 100644
--- a/todos.script.nix
+++ b/todos.script.nix
@@ -2,6 +2,6 @@ with import <nixpkgs> {};
 
 pkgs.writeShellScriptBin "todos" ''
 	#!/bin/sh
-	file=~/sync/todo.txt plans-backend $@
+	file=~/sync/todo.txt plans-backend "$@"
 ''