diff --git a/.gitignore b/.gitignore
index 4e745ebea5..44ab2d49ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -192,6 +192,7 @@ ruby/tests/generated_code_pb.rb
 ruby/tests/test_import_pb.rb
 ruby/tests/test_ruby_package_pb.rb
 ruby/tests/generated_code_proto2_pb.rb
+ruby/tests/multi_level_nesting_test_pb.rb
 ruby/tests/test_import_proto2_pb.rb
 ruby/tests/test_ruby_package_proto2_pb.rb
 ruby/Gemfile.lock
diff --git a/Makefile.am b/Makefile.am
index 99bd4c79f5..d8b9fda140 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1148,6 +1148,8 @@ ruby_EXTRA_DIST=                                                             \
   ruby/tests/generated_code_proto2_test.rb                                   \
   ruby/tests/generated_code_proto2.proto                                     \
   ruby/tests/generated_code.proto                                            \
+  ruby/tests/multi_level_nesting_test.proto                                  \
+  ruby/tests/multi_level_nesting_test.rb                                     \
   ruby/tests/test_import_proto2.proto                                        \
   ruby/tests/test_import.proto                                               \
   ruby/tests/test_ruby_package_proto2.proto                                  \
diff --git a/ruby/Rakefile b/ruby/Rakefile
index 2d020e7173..3e3da055d3 100644
--- a/ruby/Rakefile
+++ b/ruby/Rakefile
@@ -104,7 +104,9 @@ genproto_output << "tests/test_ruby_package.rb"
 genproto_output << "tests/test_ruby_package_proto2.rb"
 genproto_output << "tests/basic_test.rb"
 genproto_output << "tests/basic_test_proto2.rb"
+genproto_output << "tests/multi_level_nesting_test.rb"
 genproto_output << "tests/wrappers.rb"
+
 file "tests/generated_code.rb" => "tests/generated_code.proto" do |file_task|
   sh "../src/protoc --ruby_out=. tests/generated_code.proto"
 end
@@ -137,6 +139,10 @@ file "tests/basic_test_proto2.rb" => "tests/basic_test_proto2.proto" do |file_ta
   sh "../src/protoc -I../src -I. --ruby_out=. tests/basic_test_proto2.proto"
 end
 
+file "tests/multi_level_nesting_test.rb" => "tests/multi_level_nesting_test.proto" do |file_task|
+  sh "../src/protoc -I../src -I. --ruby_out=. tests/multi_level_nesting_test.proto"
+end
+
 file "tests/wrappers.rb" => "../src/google/protobuf/wrappers.proto" do |file_task|
   sh "../src/protoc -I../src -I. --ruby_out=tests ../src/google/protobuf/wrappers.proto"
 end
diff --git a/ruby/tests/multi_level_nesting_test.proto b/ruby/tests/multi_level_nesting_test.proto
new file mode 100644
index 0000000000..84c3fa4c07
--- /dev/null
+++ b/ruby/tests/multi_level_nesting_test.proto
@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+message Function {
+  string name = 1;
+  repeated Function.Parameter parameters = 2;
+  string return_type = 3;
+
+  message Parameter {
+    string name = 1;
+    Function.Parameter.Value value = 2;
+
+    message Value {
+      oneof type {
+        string string = 1;
+        int64 integer = 2;
+      }
+    }
+  }
+}
diff --git a/ruby/tests/multi_level_nesting_test_pb.rb b/ruby/tests/multi_level_nesting_test_pb.rb
deleted file mode 100644
index b51b531499..0000000000
--- a/ruby/tests/multi_level_nesting_test_pb.rb
+++ /dev/null
@@ -1,25 +0,0 @@
-#
-# Provide tests for having messages nested 3 levels deep
-#
-
-require 'google/protobuf'
-
-Google::Protobuf::DescriptorPool.generated_pool.build do
-  add_file("function_call.proto", :syntax => :proto3) do
-    add_message "Function" do
-      optional :name, :string, 1
-      repeated :parameters, :message, 2, "Function.Parameter"
-      optional :return_type, :string, 3
-    end
-    add_message "Function.Parameter" do
-      optional :name, :string, 1
-      optional :value, :message, 2, "Function.Parameter.Value"
-    end
-    add_message "Function.Parameter.Value" do
-      oneof :type do
-        optional :string, :string, 1
-        optional :integer, :int64, 2
-      end
-    end
-  end
-end