diff --git a/spec/ruby/library/bigdecimal/BigDecimal_spec.rb b/spec/ruby/library/bigdecimal/BigDecimal_spec.rb
index 43a779b420..45f5ebffc7 100644
--- a/spec/ruby/library/bigdecimal/BigDecimal_spec.rb
+++ b/spec/ruby/library/bigdecimal/BigDecimal_spec.rb
@@ -98,7 +98,11 @@ describe "Kernel#BigDecimal" do
       BigDecimal("invalid", exception: false).should be_nil
       BigDecimal("0invalid", exception: false).should be_nil
       BigDecimal("invalid0", exception: false).should be_nil
-      BigDecimal("0.", exception: false).should be_nil
+      if BigDecimal::VERSION >= "3.1.9"
+        BigDecimal("0.", exception: false).to_i.should == 0
+      else
+        BigDecimal("0.", exception: false).should be_nil
+      end
     end
   end