diff --git a/test/json/json_ryu_fallback_test.rb b/test/json/json_ryu_fallback_test.rb
index 2262a6f5..152de7e3 100644
--- a/test/json/json_ryu_fallback_test.rb
+++ b/test/json/json_ryu_fallback_test.rb
@@ -174,10 +174,10 @@ def test_large_exponent_numbers
     assert_equal Float::INFINITY, JSON.parse("1e4294967295")
     assert_equal Float::INFINITY, JSON.parse("1e4294967297")
 
-    assert_equal -Float::INFINITY, JSON.parse("-1e4294967296")
-    assert_equal -0.0, JSON.parse("-1e-4294967296")
-    assert_equal -0.0, JSON.parse("-99999999999999999e-4294967296")
-    assert_equal -Float::INFINITY, JSON.parse("-1e4294967295")
-    assert_equal -Float::INFINITY, JSON.parse("-1e4294967297")
+    assert_equal(-Float::INFINITY, JSON.parse("-1e4294967296"))
+    assert_equal(-0.0, JSON.parse("-1e-4294967296"))
+    assert_equal(-0.0, JSON.parse("-99999999999999999e-4294967296"))
+    assert_equal(-Float::INFINITY, JSON.parse("-1e4294967295"))
+    assert_equal(-Float::INFINITY, JSON.parse("-1e4294967297"))
   end
 end