diff --git a/vim/syntax/objc.vim b/vim/syntax/objc.vim
index 1dda18b..97ba947 100644
--- a/vim/syntax/objc.vim
+++ b/vim/syntax/objc.vim
@@ -130,6 +130,7 @@ syn keyword objcType IBOutlet IBAction Method __block instancetype
 syn keyword objcType __unsafe_unretained __bridge __bridge_retained __bridge_transfer __autoreleasing __strong __weak
 syn keyword objcType OFUnichar OFChar16 OFChar32 OFComparisonResult
 syn keyword objcType OFComparator OFByteOrder OFRange OFPoint OFRect OFSize
+syn keyword objcType OFVector3D OFVector4D
 syn keyword objcType OFPlainMutex OFPlainRecursiveMutex
 syn keyword objcType OFStringEncoding OFTimeInterval
 syn keyword objcType OFResolverResult OFStreamOffset OFSeekWhence