1 files changed, 1 insertions, 1 deletions
diff --git a/load.c b/load.c
index addfe46934..2832e884c1 100644
--- a/load.c
+++ b/load.c
@@ -716,7 +716,7 @@ Init_load()
     static const char var_load_path[] = "$:";
     ID id_load_path = rb_intern2(var_load_path, sizeof(var_load_path)-1);
 
-    rb_define_hooked_variable(var_load_path, (VALUE*)vm, load_path_getter, 0);
+    rb_define_hooked_variable(var_load_path, (VALUE*)vm, load_path_getter, rb_gvar_readonly_setter);
     rb_alias_variable(rb_intern("$-I"), id_load_path);
     rb_alias_variable(rb_intern("$LOAD_PATH"), id_load_path);
     vm->load_path = rb_ary_new();