diff --git a/ZipUtilities/NOZUnzipper.h b/ZipUtilities/NOZUnzipper.h
index 4aea412..0749207 100644
--- a/ZipUtilities/NOZUnzipper.h
+++ b/ZipUtilities/NOZUnzipper.h
@@ -217,7 +217,7 @@ typedef NS_OPTIONS(NSInteger, NOZUnzipperSaveRecordOptions)
 /**
  Enumerate all the records.
  */
-- (void)enumerateManifestEntriesUsingBlock:(__attribute__((noescape)) NOZUnzipRecordEnumerationBlock __nonnull)block;
+- (void)enumerateManifestEntriesUsingBlock:(NOZUnzipRecordEnumerationBlock __nonnull NS_NOESCAPE)block;
 
 
 /**
diff --git a/ZipUtilities/NOZUnzipper.m b/ZipUtilities/NOZUnzipper.m
index 91cbc19..209879f 100644
--- a/ZipUtilities/NOZUnzipper.m
+++ b/ZipUtilities/NOZUnzipper.m
@@ -199,7 +199,7 @@ - (NSUInteger)indexForRecordWithName:(NSString *)name
     return (_centralDirectory) ? [_centralDirectory indexForRecordWithName:name] : NSNotFound;
 }
 
-- (void)enumerateManifestEntriesUsingBlock:(NOZUnzipRecordEnumerationBlock)block
+- (void)enumerateManifestEntriesUsingBlock:(NOZUnzipRecordEnumerationBlock NS_NOESCAPE)block
 {
     [_centralDirectory.internalRecords enumerateObjectsUsingBlock:block];
 }