diff --git a/src/event-source.js b/src/event-source.js
index 3cb57fc4..df4999a4 100644
--- a/src/event-source.js
+++ b/src/event-source.js
@@ -1,3 +1,3 @@
 import { EventSource as moduleToPatch } from 'launchdarkly-eventsource';
 
-export const EventSource = moduleToPatch;
+export const EventSource = moduleToPatch; // Re-export from .js file, because the original module doesn't have types