diff --git a/Libraries/Core/InitializeCore.js b/Libraries/Core/InitializeCore.js
index 5195665fe64..af8c053e02d 100644
--- a/Libraries/Core/InitializeCore.js
+++ b/Libraries/Core/InitializeCore.js
@@ -109,7 +109,7 @@ require('RCTLog');
 
 // Set up error handler
 if (!global.__fbDisableExceptionsManager) {
-  function handleError(e, isFatal) {
+  const handleError = (e, isFatal) => {
     try {
       ExceptionsManager.handleException(e, isFatal);
     } catch (ee) {
@@ -118,7 +118,7 @@ if (!global.__fbDisableExceptionsManager) {
       /* eslint-enable no-console-disallow */
       throw e;
     }
-  }
+  };
 
   const ErrorUtils = require('ErrorUtils');
   ErrorUtils.setGlobalHandler(handleError);