diff --git a/legacy/edje/src/lib/Edje_Edit.h b/legacy/edje/src/lib/Edje_Edit.h
index 7c3a32434a..c996d6a627 100644
--- a/legacy/edje/src/lib/Edje_Edit.h
+++ b/legacy/edje/src/lib/Edje_Edit.h
@@ -324,7 +324,7 @@ EAPI Eina_Bool edje_edit_data_del(Evas_Object *obj, const char *itemname);
  *
  * @return Value of the given entry, or NULL if not found.
  */
-EAPI const char * edje_edit_data_value_get(Evas_Object *obj, char *itemname);
+EAPI const char * edje_edit_data_value_get(Evas_Object *obj, const char *itemname);
 
 /** Set the data associated with the given itemname.
  *
@@ -383,7 +383,7 @@ EAPI Eina_Bool edje_edit_group_data_del(Evas_Object *obj, const char *itemname);
  *
  * @return Value of the data entry or NULL if not found.
  */
-EAPI const char * edje_edit_group_data_value_get(Evas_Object *obj, char *itemname);
+EAPI const char * edje_edit_group_data_value_get(Evas_Object *obj, const char *itemname);
 
 /** Set the data associated with the given itemname.
  *
diff --git a/legacy/edje/src/lib/edje_edit.c b/legacy/edje/src/lib/edje_edit.c
index ae0ba0cfb7..7d641ea97e 100644
--- a/legacy/edje/src/lib/edje_edit.c
+++ b/legacy/edje/src/lib/edje_edit.c
@@ -1287,7 +1287,7 @@ edje_edit_data_del(Evas_Object *obj, const char *itemname)
 }
 
 EAPI const char *
-edje_edit_group_data_value_get(Evas_Object * obj, char *key)
+edje_edit_group_data_value_get(Evas_Object * obj, const char *key)
 {
    Edje_String *value;
 
@@ -1306,7 +1306,7 @@ edje_edit_group_data_value_get(Evas_Object * obj, char *key)
 }
 
 EAPI const char *
-edje_edit_data_value_get(Evas_Object * obj, char *itemname)
+edje_edit_data_value_get(Evas_Object * obj, const char *itemname)
 {
    Edje_String *value;