--- /dev/null
+diff --git a/libs/parser/hconf.gperf b/libs/parser/hconf.gperf
+index ead02ed..e5f0af7 100644
+--- a/libs/parser/hconf.gperf
++++ b/libs/parser/hconf.gperf
+@@ -9,7 +9,7 @@
+
+ struct kconf_id;
+
+-static const struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len);
++static const struct kconf_id *kconf_id_lookup(register const char *str, register GPERF_LEN_TYPE len);
+
+ %%
+ mainmenu, T_MAINMENU, TF_COMMAND