diff --git a/package.json b/package.json
index 4effef8..e3de704 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "packd",
-  "version": "2.6.1",
+  "version": "2.6.3",
   "description": "Simple alternative to browserify-cdn",
   "scripts": {
     "start": "node server",
diff --git a/server/child-processes/create-bundle.js b/server/child-processes/create-bundle.js
index a580969..f34ee47 100644
--- a/server/child-processes/create-bundle.js
+++ b/server/child-processes/create-bundle.js
@@ -114,7 +114,7 @@ function installDependencies ( cwd ) {
 			return promise.then( () => {
 				info( `[${pkg.name}] installing peer dependency ${name}` );
 				const version = pkg.peerDependencies[ name ];
-				return exec( `${root}/node_modules/.bin/npm install ${name}@${version}`, cwd, pkg );
+				return exec( `${root}/node_modules/.bin/npm install "${name}@${version}"`, cwd, pkg );
 			});
 		}, Promise.resolve() );
 	});