diff --git a/lib/main.js b/lib/main.js
index ad34deb0..9271458b 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -115,7 +115,10 @@ Lambda.prototype._params = function (program, buffer) {
     MemorySize: program.memorySize,
     Timeout: program.timeout,
     Publish: program.publish,
-    VpcConfig: {}
+    VpcConfig: {
+      SubnetIds: [],
+      SecurityGroupIds: []
+    }
   };
   if (program.lambdaVersion) {
     params.FunctionName += ('-' + program.lambdaVersion);