diff --git a/rubygem-ruby-progressbar.spec b/rubygem-ruby-progressbar.spec
index a98b179..378fe06 100644
--- a/rubygem-ruby-progressbar.spec
+++ b/rubygem-ruby-progressbar.spec
@@ -70,6 +70,9 @@ export RUBYLIB=$(pwd)/lib
 # Need investigation
 sed -i spec/lib/ruby-progressbar/base_spec.rb \
 	-e '\@can be converted into a hash@s|it|xit|'
+# ???
+sed -i spec/lib/ruby-progressbar/projector/smoothed_average_spec.rb \
+	-e 's|\.to be \([0-9][0-9]*\.[0-9][0-9]*\)|.to eq(\1)|'
 
 ruby -rruby-progressbar -rtimecop -S rspec spec
 popd