1 files changed, 7 insertions, 5 deletions
diff --git a/spec/ruby/core/io/read_spec.rb b/spec/ruby/core/io/read_spec.rb
index e74012d027..0184c88f44 100644
--- a/spec/ruby/core/io/read_spec.rb
+++ b/spec/ruby/core/io/read_spec.rb
@@ -67,12 +67,14 @@ describe "IO.read" do
   end
 
   platform_is_not :windows do
-    it "uses an :open_args option" do
-      string = IO.read(@fname, nil, 0, open_args: ["r", nil, {encoding: Encoding::US_ASCII}])
-      string.encoding.should == Encoding::US_ASCII
+    ruby_version_is ""..."3.3" do
+      it "uses an :open_args option" do
+        string = IO.read(@fname, nil, 0, open_args: ["r", nil, {encoding: Encoding::US_ASCII}])
+        string.encoding.should == Encoding::US_ASCII
 
-      string = IO.read(@fname, nil, 0, open_args: ["r", nil, {}])
-      string.encoding.should == Encoding::UTF_8
+        string = IO.read(@fname, nil, 0, open_args: ["r", nil, {}])
+        string.encoding.should == Encoding::UTF_8
+      end
     end
   end