diff --git a/scripts/lv_conf_checker.py b/scripts/lv_conf_checker.py
index 04fcb9f72..a16b36353 100644
--- a/scripts/lv_conf_checker.py
+++ b/scripts/lv_conf_checker.py
@@ -5,7 +5,7 @@ Generates a chechker file for lv_conf.h from lv_conf_templ.h define all the not
 
 import re
 
-fin = open("../templates/lv_conf_templ.h", "r");
+fin = open("../lv_conf_template.h", "r");
 fout = open("../src/lv_conf_checker.h", "w");
 
 
diff --git a/src/lv_conf_checker.h b/src/lv_conf_checker.h
index 8fe96eb7f..e1de81219 100644
--- a/src/lv_conf_checker.h
+++ b/src/lv_conf_checker.h
@@ -439,6 +439,9 @@
 #ifndef LV_USE_CHART
 #define LV_USE_CHART    1
 #endif
+#ifndef LV_CHART_AXIS_TICK_LABEL_MAX_LEN
+#define LV_CHART_AXIS_TICK_LABEL_MAX_LEN 16
+#endif
 
 /*Table (dependencies: lv_label)*/
 #ifndef LV_USE_TABLE