diff --git a/pkgs/build-support/node/fetch-yarn-deps/yarn-install-hook.sh b/pkgs/build-support/node/fetch-yarn-deps/yarn-install-hook.sh
index bef51f7ef0d7..240879ad7182 100644
--- a/pkgs/build-support/node/fetch-yarn-deps/yarn-install-hook.sh
+++ b/pkgs/build-support/node/fetch-yarn-deps/yarn-install-hook.sh
@@ -17,7 +17,7 @@ yarnInstallHook() {
         --offline
     )
 
-    local -r tmpDir="$(mktemp -d yarnInstallHook.XXXXXX)"
+    local -r tmpDir="$(mktemp -d)"
 
     # yarn pack does not work at all with bundleDependencies.
     # Since we are imediately unpacking, we can just remove them from package.json