diff --git a/vim/after/syntax/objc.vim b/vim/after/syntax/objc.vim
index 3b1451c..8633f16 100644
--- a/vim/after/syntax/objc.vim
+++ b/vim/after/syntax/objc.vim
@@ -12,7 +12,7 @@ syn keyword objcType __unsafe_unretained __bridge __bridge_retained __bridge_tra
 syn keyword objcType of_unichar_t of_char16_t of_char32_t of_comparison_result_t
 syn keyword objcType of_byte_order_t of_range_t of_point_t of_dimension_t
 syn keyword objcType of_rectangle_t of_string_encoding_t of_time_interval_t
-syn keyword objcType of_resolver_result_t of_udp_socket_address_t
+syn keyword objcType of_resolver_result_t of_udp_socket_address_t of_offset_t
 syn keyword objcConstant YES NO TRUE FALSE
 
 syn region objcImp start='@implementation' end='@end' transparent