diff --git a/projects/classic.yarnpkg.com/global-prefix.patch b/projects/classic.yarnpkg.com/global-prefix.patch
new file mode 100644
index 00000000..ae8790d8
--- /dev/null
+++ b/projects/classic.yarnpkg.com/global-prefix.patch
@@ -0,0 +1,13 @@
+diff --git a/lib/cli.js b/lib/cli.js
+index 35ed698..e78fc9f 100755
+--- a/lib/cli.js
++++ b/lib/cli.js
+@@ -2218,7 +2218,7 @@ var NODE_PACKAGE_JSON = exports.NODE_PACKAGE_JSON = 'package.json';
+ var PNP_FILENAME = exports.PNP_FILENAME = '.pnp.js';
+ 
+ var POSIX_GLOBAL_PREFIX = exports.POSIX_GLOBAL_PREFIX = `${process.env.DESTDIR || ''}/usr/local`;
+-var FALLBACK_GLOBAL_PREFIX = exports.FALLBACK_GLOBAL_PREFIX = path.join(userHome, '.yarn');
++var FALLBACK_GLOBAL_PREFIX = exports.FALLBACK_GLOBAL_PREFIX = path.join(userHome, '.local');
+ 
+ var META_FOLDER = exports.META_FOLDER = '.yarn-meta';
+ var INTEGRITY_FILENAME = exports.INTEGRITY_FILENAME = '.yarn-integrity';
diff --git a/projects/classic.yarnpkg.com/package.yml b/projects/classic.yarnpkg.com/package.yml
index 21e4cbf0..d3c23c84 100644
--- a/projects/classic.yarnpkg.com/package.yml
+++ b/projects/classic.yarnpkg.com/package.yml
@@ -15,7 +15,14 @@ dependencies:
 build:
   dependencies:
     npmjs.com: '*'
-  script: npm install . --global --prefix={{prefix}} --install-links
+    gnu.org/patch: '*'
+  script:
+    - patch -p1 < props/global-prefix.patch
+
+    - npm install .
+      --global
+      --prefix={{prefix}}
+      --install-links
 
 test:
   script: |