diff --git a/React/Base/RCTComponentEvent.h b/React/Base/RCTComponentEvent.h
index 78ee9bb586a..28c94074c57 100644
--- a/React/Base/RCTComponentEvent.h
+++ b/React/Base/RCTComponentEvent.h
@@ -7,6 +7,8 @@
 
 #import <React/RCTEventDispatcher.h>
 
+NS_ASSUME_NONNULL_BEGIN
+
 /**
  * Generic untyped event for Components. Used internally by RCTDirectEventBlock and
  * RCTBubblingEventBlock, for other use cases prefer using a class that implements
@@ -16,4 +18,6 @@
 
 - (instancetype)initWithName:(NSString *)name viewTag:(NSNumber *)viewTag body:(NSDictionary *)body;
 
+NS_ASSUME_NONNULL_END
+
 @end