diff --git a/vim/syntax/objc.vim b/vim/syntax/objc.vim
index 01fcb2f..1dda18b 100644
--- a/vim/syntax/objc.vim
+++ b/vim/syntax/objc.vim
@@ -41,7 +41,7 @@ syn keyword objcTypeModifier	OF_REQUIRES_SUPER OF_ALIGNOF OF_ALIGNAS
 syn keyword objcTypeModifier	OF_SENTINEL OF_SUBCLASSING_RESTRICTED
 syn keyword objcTypeModifier	OF_DIRECT OF_DIRECT_MEMBERS
 syn keyword objcTypeModifier	_Nonnull _Nullable _Null_unspecified __kindof
-syn keyword objcConstant	nil Nil OF_NOT_FOUND
+syn keyword objcConstant	nil Nil OFNotFound
 
 " Match the ObjC #import directive (like C's #include)
 syn region objcImported display contained start=+"+  skip=+\\\\\|\\"+  end=+"+
@@ -132,9 +132,9 @@ syn keyword objcType OFUnichar OFChar16 OFChar32 OFComparisonResult
 syn keyword objcType OFComparator OFByteOrder OFRange OFPoint OFRect OFSize
 syn keyword objcType OFPlainMutex OFPlainRecursiveMutex
 syn keyword objcType OFStringEncoding OFTimeInterval
-syn keyword objcType OFResolverResult OFFileOffset OFPlainCondition
-syn keyword objcType OFSocketHandle OFSpinlock OFTLSKey OFPlainThread
-syn keyword objcType OFOptionsParserOption OFHTTPRequestMethod
+syn keyword objcType OFResolverResult OFStreamOffset OFSeekWhence
+syn keyword objcType OFPlainCondition OFSocketHandle OFSpinlock OFTLSKey
+syn keyword objcType OFPlainThread OFOptionsParserOption OFHTTPRequestMethod
 syn keyword objcType OFHTTPRequestProtocolVersion OFSocketAddress
 syn keyword objcType OFFileAttributeKey OFFileType OFFileAttributes
 syn keyword objcType OFMutableFileAttributes OFNotificationName