diff --git a/package.json b/package.json
index 5310e7f5..8cab5dcb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc-js-repository",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Dummy package for the grpc-node repository",
   "private": true,
   "keywords": [],
diff --git a/packages/grpc-native-core/index.js b/packages/grpc-native-core/index.js
index 30a6ff3c..b7deb73b 100644
--- a/packages/grpc-native-core/index.js
+++ b/packages/grpc-native-core/index.js
@@ -143,6 +143,11 @@ exports.load = function load(filename, format, options) {
   } finally {
     ProtoBuf.convertFieldsToCamelCase = convertFieldsToCamelCaseOriginal;
   }
+
+  if (!builder) {
+    throw new Error('Could not load file "' + filename + '"');
+  }
+
   return loadObject(builder.ns, options);
 };
 
diff --git a/packages/grpc-native-core/package.json b/packages/grpc-native-core/package.json
index 3eaa3a83..a3e3ce2b 100644
--- a/packages/grpc-native-core/package.json
+++ b/packages/grpc-native-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc",
-  "version": "1.10.0-dev",
+  "version": "1.10.1-dev",
   "author": "Google Inc.",
   "description": "gRPC Library for Node",
   "homepage": "https://grpc.io/",