diff --git a/build_src.js b/build_src.js
index 31260f3dd..e8a959fb9 100644
--- a/build_src.js
+++ b/build_src.js
@@ -62,7 +62,8 @@ function buildBundle() {
         }),
         nodeResolve({
           mainFields: ['module', 'main'],
-          browser: false
+          browser: false,
+          dedupe: ['object-inspect']
         }),
         commonjs(),
         json({ indent: '' }),
diff --git a/package.json b/package.json
index c02bf67c1..e29095312 100644
--- a/package.json
+++ b/package.json
@@ -84,6 +84,7 @@
     "mocha-phantomjs-core": "^2.1.0",
     "name-suggestion-index": "3.4.0",
     "npm-run-all": "^4.0.0",
+    "object-inspect": "1.7.0",
     "osm-community-index": "1.0.0",
     "phantomjs-prebuilt": "~2.1.11",
     "request": "^2.88.0",