diff --git a/ChangeLog b/ChangeLog
index b3f80f2bad..7fa0351006 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Jun 30 21:13:25 2017  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* proc.c (method_super_method): skip prepended modules and continue from
+	  the super class of the original class. [Bug #13656]
+
 Fri Jun 30 21:10:48 2017  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* lib/net/smtp.rb (getok, get_response): raise an ArgumentError when
diff --git a/proc.c b/proc.c
index 87e3cd1a5a..eeec99232c 100644
--- a/proc.c
+++ b/proc.c
@@ -2572,7 +2572,7 @@ method_super_method(VALUE method)
     const rb_method_entry_t *me;
 
     TypedData_Get_Struct(method, struct METHOD, &method_data_type, data);
-    super_class = RCLASS_SUPER(method_entry_defined_class(data->me));
+    super_class = RCLASS_SUPER(RCLASS_ORIGIN(method_entry_defined_class(data->me)));
     if (!super_class) return Qnil;
     me = (rb_method_entry_t *)rb_callable_method_entry_without_refinements(super_class, data->me->called_id);
     if (!me) return Qnil;
diff --git a/test/ruby/test_method.rb b/test/ruby/test_method.rb
index a5ea258f92..262e2ffd97 100644
--- a/test/ruby/test_method.rb
+++ b/test/ruby/test_method.rb
@@ -905,6 +905,18 @@ class TestMethod < Test::Unit::TestCase
     assert_nil(m)
   end
 
+  def test_super_method_with_prepended_module
+    bug = '[ruby-core:81666] [Bug #13656] should be the method of the parent'
+    c1 = EnvUtil.labeled_class("C1") {def m; end}
+    c2 = EnvUtil.labeled_class("C2", c1) {def m; end}
+    c2.prepend(EnvUtil.labeled_module("M"))
+    m1 = c1.instance_method(:m)
+    m2 = c2.instance_method(:m).super_method
+    assert_equal(m1, m2, bug)
+    assert_equal(c1, m2.owner, bug)
+    assert_equal(m1.source_location, m2.source_location, bug)
+  end
+
   def rest_parameter(*rest)
     rest
   end
diff --git a/version.h b/version.h
index f8f143c42f..9d2f8b14b4 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.3.5"
 #define RUBY_RELEASE_DATE "2017-06-30"
-#define RUBY_PATCHLEVEL 327
+#define RUBY_PATCHLEVEL 328
 
 #define RUBY_RELEASE_YEAR 2017
 #define RUBY_RELEASE_MONTH 6