diff --git a/lib/rb/Makefile.am b/lib/rb/Makefile.am
index 658eb7d..137edb4 100755
--- a/lib/rb/Makefile.am
+++ b/lib/rb/Makefile.am
@@ -29,6 +29,7 @@
 	$(BUNDLER) exec rake install
 
 clean-local:
+	$(BUNDLER) install
 	$(BUNDLER) exec rake clean
 
 check-local: all
@@ -38,6 +39,7 @@
 endif
 
 EXTRA_DIST = \
+	coding_standards.md \
 	Rakefile \
 	Gemfile \
 	thrift.gemspec \