diff --git a/packages/react-native/React/CoreModules/RCTExceptionsManager.mm b/packages/react-native/React/CoreModules/RCTExceptionsManager.mm
index 82b1d295f256..2a6f3a5c461a 100644
--- a/packages/react-native/React/CoreModules/RCTExceptionsManager.mm
+++ b/packages/react-native/React/CoreModules/RCTExceptionsManager.mm
@@ -155,7 +155,7 @@ - (void)reportFatal:(NSString *)message
   NSArray<NSDictionary<NSString *, id> *> *stack = errorData[@"stack"];
   double exceptionId = [errorData[@"id"] doubleValue];
 
-  if (errorData[@"isFatal"]) {
+  if ([errorData[@"isFatal"] boolValue]) {
     [self reportFatal:message stack:stack exceptionId:exceptionId extraDataAsJSON:extraDataAsJSON];
   } else {
     [self reportSoft:message stack:stack exceptionId:exceptionId extraDataAsJSON:extraDataAsJSON];