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-rw-r--r--src/kernel.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/kernel.c b/src/kernel.c
index 2d1c731a2..927916b8a 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -1117,4 +1117,5 @@ mrb_init_kernel(mrb_state *mrb)
#endif
mrb_include_module(mrb, mrb->object_class, mrb->kernel_module);
+ mrb_alias_method(mrb, mrb->module_class, mrb_intern(mrb, "dup"), mrb_intern(mrb, "clone"));
}