diff --git a/tools/mirror.mjs b/tools/mirror.mjs
index d5aabd87b677ee761e2267fe8956abea4d8897eb..393c5159da405bc52596f7188bb37d7a4863989c 100644
--- a/tools/mirror.mjs
+++ b/tools/mirror.mjs
@@ -37,7 +37,7 @@ function generatePackageJson(configPath) {
         "private": true,
         "//": "DO NOT ADD dependencies or devDependencies clauses to this level! Keep subfolders autonomous.",
         "scripts": {
-          "prepare": `${ projects.map(name => { return `cd ${name} && npm i && cd ..`}).join(" && ") }`,
+          "prepare": `${ projects.map(name => { return `cd ${name} && (npm i || npm i) && cd ..`}).join(" && ") }`,
         }
     }