diff --git a/ios/WorkerSelfManager.m b/ios/WorkerSelfManager.m
index 4ab0e05fb533144215ce7989e0ba4138adf9169f..27e4797b889c4d1df8d649133e3efea2fb9751f3 100644
--- a/ios/WorkerSelfManager.m
+++ b/ios/WorkerSelfManager.m
@@ -16,7 +16,7 @@ RCT_EXPORT_METHOD(postMessage: (NSString *)message)
     return;
   }
 
-  NSString *eventName = [NSString stringWithFormat:@"thread%i", self.threadId];
+  NSString *eventName = [NSString stringWithFormat:@"Thread%i", self.threadId];
 
   [self.parentBridge.eventDispatcher sendAppEventWithName:eventName
                                                body:message];