diff --git a/lib/libipsec/policy_token.l b/lib/libipsec/policy_token.l
index c9737cb8343..fc11d0982ff 100644
--- a/lib/libipsec/policy_token.l
+++ b/lib/libipsec/policy_token.l
@@ -47,7 +47,7 @@
 #include <errno.h>
 
 #include "y.tab.h"
-#define	yylval __libyylval	/* XXX */
+#define	yylval __libipsecyylval	/* XXX */
 %}
 
 %option noyywrap