diff --git a/lib/elixir/lib/module.ex b/lib/elixir/lib/module.ex
index 0ab539df93..976c7a3eff 100644
--- a/lib/elixir/lib/module.ex
+++ b/lib/elixir/lib/module.ex
@@ -830,6 +830,10 @@ defmodule Module do
         false ->
           {name, arity} = tuple
           raise "cannot make function #{name}/#{arity} overridable because it was not defined"
+        {{{:def, {name, arity}}, :defmacrop, _line, _file, _check, _location, _defaults}, _clauses} ->
+          raise ArgumentError,
+            "cannot make private macro #{name}/#{arity} overridable, overriding " <>
+            "private macros is not supported"
         clause ->
           neighbours =
             if :elixir_compiler.get_opt(:internal) do
diff --git a/lib/elixir/test/elixir/kernel/overridable_test.exs b/lib/elixir/test/elixir/kernel/overridable_test.exs
index 52fc28faa4..2af58fe1ae 100644
--- a/lib/elixir/test/elixir/kernel/overridable_test.exs
+++ b/lib/elixir/test/elixir/kernel/overridable_test.exs
@@ -189,4 +189,18 @@ defmodule Kernel.OverridableTest do
   test "overridable macros" do
     assert Overridable.overridable_macro(1) == 1101
   end
+
+  test "private macros can't be overridden" do
+    message =
+      "cannot make private macro foo/0 overridable, overriding " <>
+      "private macros is not supported"
+    assert_raise ArgumentError, message, fn ->
+      Code.eval_string """
+      defmodule Foo do
+        defmacrop foo, do: 1
+        defoverridable foo: 0
+      end
+      """
+    end
+  end
 end