diff --git a/librfc822/address.y b/librfc822/address.y
index 0f67b3c..cd8b3b3 100644
--- a/librfc822/address.y
+++ b/librfc822/address.y
@@ -30,7 +30,7 @@
 
 #include "../libmpools/mpools.h"
 #define yytext rfc822_text
-#define yyley rfc822_lex
+#define yylex rfc822_lex
 
     /* Variables in our lexer. */