diff --git a/packages/grpc-native-core/build.yaml b/packages/grpc-native-core/build.yaml
index 92c958cd..b5ab803f 100644
--- a/packages/grpc-native-core/build.yaml
+++ b/packages/grpc-native-core/build.yaml
@@ -1,3 +1,3 @@
 settings:
   '#': It's possible to have node_version here as a key to override the core's version.
-  node_version: 1.16.0-pre1
\ No newline at end of file
+  node_version: 1.16.0-pre1
diff --git a/packages/grpc-native-core/src/server.js b/packages/grpc-native-core/src/server.js
index 34c123d1..d2c9a559 100644
--- a/packages/grpc-native-core/src/server.js
+++ b/packages/grpc-native-core/src/server.js
@@ -52,7 +52,7 @@ function handleError(call, error) {
   if (error.hasOwnProperty('message')) {
     status.details = error.message;
   }
-  if (error.hasOwnProperty('code')) {
+  if (error.hasOwnProperty('code') && Number.isInteger(error.code)) {
     status.code = error.code;
     if (error.hasOwnProperty('details')) {
       status.details = error.details;
diff --git a/packages/grpc-native-core/tools/run_tests/artifacts/build_artifact_node.bat b/packages/grpc-native-core/tools/run_tests/artifacts/build_artifact_node.bat
index 85daa10b..eb8f7553 100644
--- a/packages/grpc-native-core/tools/run_tests/artifacts/build_artifact_node.bat
+++ b/packages/grpc-native-core/tools/run_tests/artifacts/build_artifact_node.bat
@@ -16,7 +16,7 @@ set arch_list=ia32 x64
 
 set node_versions=4.0.0 5.0.0 6.0.0 7.0.0 8.0.0 9.0.0 10.0.0
 
-set electron_versions=1.0.0 1.1.0 1.2.0 1.3.0 1.4.0 1.5.0 1.6.0 1.7.0 1.8.0 2.0.0
+set electron_versions=1.0.0 1.1.0 1.2.0 1.3.0 1.4.0 1.5.0 1.6.0 1.7.0 1.8.0 2.0.0 3.0.0
 
 set PATH=%PATH%;C:\Program Files\nodejs\;%APPDATA%\npm
 
diff --git a/packages/grpc-native-core/tools/run_tests/artifacts/build_artifact_node.sh b/packages/grpc-native-core/tools/run_tests/artifacts/build_artifact_node.sh
index a98c775d..d25bed84 100755
--- a/packages/grpc-native-core/tools/run_tests/artifacts/build_artifact_node.sh
+++ b/packages/grpc-native-core/tools/run_tests/artifacts/build_artifact_node.sh
@@ -17,7 +17,7 @@ set -ex
 
 arch_list=( ia32 x64 )
 node_versions=( 4.0.0 5.0.0 6.0.0 7.0.0 8.0.0 9.0.0 10.0.0 )
-electron_versions=( 1.0.0 1.1.0 1.2.0 1.3.0 1.4.0 1.5.0 1.6.0 1.7.0 1.8.0 2.0.0 )
+electron_versions=( 1.0.0 1.1.0 1.2.0 1.3.0 1.4.0 1.5.0 1.6.0 1.7.0 1.8.0 2.0.0 3.0.0 )
 
 while true ; do
   case $1 in