diff --git a/src/lexer.l b/src/lexer.l
index b7f4e0b0..80dac423 100644
--- a/src/lexer.l
+++ b/src/lexer.l
@@ -121,8 +121,8 @@ SIGN     [+-]
      }
 
 
-(?x: prog_modes | mcuid | n_interrupts | n_page_erase | n_word_writes | n_boot_sections |
-  boot_section_size | autobaud_sync | idr | rampz | spmcr | eecr | eind ) { /* struct components */
+(?x: extra_features | prog_modes | mcuid | n_interrupts | n_page_erase | n_word_writes |
+  n_boot_sections | boot_section_size | autobaud_sync | idr | rampz | spmcr | eecr | eind ) { /* struct components */
 
   Component_t *cp = cfg_comp_search(yytext, current_strct);
   if(!cp) {