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-rw-r--r--node_modules/zip-stream/index.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/node_modules/zip-stream/index.js b/node_modules/zip-stream/index.js
index 71f9fc4e7..0c3248bf8 100644
--- a/node_modules/zip-stream/index.js
+++ b/node_modules/zip-stream/index.js
@@ -38,7 +38,7 @@ var ZipStream = module.exports = function(options) {
delete options.level;
}
- if (options.zlib.level && options.zlib.level === 0) {
+ if (typeof options.zlib.level === 'number' && options.zlib.level === 0) {
options.store = true;
}