diff --git a/data/glr.c b/data/glr.c
index d39b5e0c..d332c866 100644
--- a/data/glr.c
+++ b/data/glr.c
@@ -1980,8 +1980,8 @@ yyrecoverSyntaxError (yyGLRStack* yystack,
 #endif
 ])
 m4_ifdef([b4_initial_action], [
-m4_pushdef([b4_at_dollar],     [yylval])dnl
-m4_pushdef([b4_dollar_dollar], [yylloc])dnl
+m4_pushdef([b4_at_dollar],     [yylloc])dnl
+m4_pushdef([b4_dollar_dollar], [yylval])dnl
   /* User initialization code. */
   b4_initial_action
 m4_popdef([b4_dollar_dollar])dnl