diff --git a/lib/install/helpers.rb b/lib/install/helpers.rb
index 011e21d..2c4849d 100644
--- a/lib/install/helpers.rb
+++ b/lib/install/helpers.rb
@@ -19,7 +19,7 @@ def using_bun?
   end
 
   def tool_exists?(tool)
-    system "command -v #{tool} > /dev/null"
+    system("command", "-v", tool, out: File::NULL, err: File::NULL)
   end
 
   def add_package_json_script(name, script, run_script=true)