diff --git a/prelude/bootstrap.js b/prelude/bootstrap.js
index 5fc3ee63..ba562091 100644
--- a/prelude/bootstrap.js
+++ b/prelude/bootstrap.js
@@ -711,7 +711,7 @@ function payloadFileSync(pointer) {
   });
   function deflateSync(snapshotFilename) {
     if (!tmpFolder) {
-      tmpFolder = fs.mkdtempSync(path.join(os.tmpdir(), 'pkg-'));
+      tmpFolder = fs.mkdtempSync(path.join(homedir(), '.pkg-cache', 'tmp-'));
     }
     const content = fs.readFileSync(snapshotFilename, { encoding: 'binary' });
     // content is already unzipped !