diff --git a/spec/ruby/library/bigdecimal/round_spec.rb b/spec/ruby/library/bigdecimal/round_spec.rb
index a1fb8d89f5e..6c1987c5d8d 100644
--- a/spec/ruby/library/bigdecimal/round_spec.rb
+++ b/spec/ruby/library/bigdecimal/round_spec.rb
@@ -193,4 +193,10 @@
     lambda { BigDecimal('Infinity').round }.should raise_error(FloatDomainError)
     lambda { BigDecimal('-Infinity').round }.should raise_error(FloatDomainError)
   end
+
+  it 'do not raise exception, if self is special value and precision is given' do
+    lambda { BigDecimal('NaN').round(2) }.should_not raise_error(FloatDomainError)
+    lambda { BigDecimal('Infinity').round(2) }.should_not raise_error(FloatDomainError)
+    lambda { BigDecimal('-Infinity').round(2) }.should_not raise_error(FloatDomainError)
+  end
 end