diff --git a/src/Language/Cimple/Lexer.x b/src/Language/Cimple/Lexer.x
index 6a3bdca..a036bf9 100644
--- a/src/Language/Cimple/Lexer.x
+++ b/src/Language/Cimple/Lexer.x
@@ -66,6 +66,7 @@ tokens :-
 <0>		"IP_ADAPTER_INFO"			{ mkL IdStdType }
 <0>		"LPTSTR"				{ mkL IdStdType }
 <0>		"u_long"				{ mkL IdStdType }
+<0>		"SOCKET"				{ mkL IdStdType }
 <0>		"WSADATA"				{ mkL IdStdType }
 
 -- System struct types.