diff --git a/ext/io/console/console.c b/ext/io/console/console.c
index 50baf4f591..11ce699971 100644
--- a/ext/io/console/console.c
+++ b/ext/io/console/console.c
@@ -546,7 +546,7 @@ console_getch(int argc, VALUE *argv, VALUE io)
 	    if (w < 0) rb_eof_error();
 	    if (!(w & RB_WAITFD_IN)) return Qnil;
 # else
-	    VALUE result = RB_NUM2INT(rb_io_wait(io, RUBY_IO_READABLE, timeout));
+	    VALUE result = rb_io_wait(io, RUBY_IO_READABLE, timeout);
 	    if (result == Qfalse) return Qnil;
 # endif
 	}
diff --git a/test/io/console/test_io_console.rb b/test/io/console/test_io_console.rb
index 3613a2ce32..3962de3790 100644
--- a/test/io/console/test_io_console.rb
+++ b/test/io/console/test_io_console.rb
@@ -471,6 +471,10 @@ defined?(IO.console) and TestIO_Console.class_eval do
     ensure
       IO.console(:close)
     end
+
+    def test_getch_timeout
+      assert_nil(IO.console.getch(intr: true, time: 0.1, min: 0))
+    end
   end
 end