diff --git a/server/src/modes/javascriptMode.ts b/server/src/modes/javascriptMode.ts
index c6f11a6a25..90445f3fe3 100644
--- a/server/src/modes/javascriptMode.ts
+++ b/server/src/modes/javascriptMode.ts
@@ -54,7 +54,9 @@ export function getJavascriptMode(documentRegions: LanguageModelCache<HTMLDocume
   (ts as any).updateLanguageServiceSourceFile = updateLanguageServiceSourceFile;
   const configFilename = ts.findConfigFile(workspacePath, ts.sys.fileExists, 'tsconfig.json') ||
     ts.findConfigFile(workspacePath, ts.sys.fileExists, 'jsconfig.json');
-  const configJson = configFilename && ts.readConfigFile(configFilename, ts.sys.readFile).config || {};
+  const configJson = configFilename && ts.readConfigFile(configFilename, ts.sys.readFile).config || {
+    exclude: ['node_modules']
+  };
   const parsedConfig = ts.parseJsonConfigFileContent(configJson,
     ts.sys,
     workspacePath,