diff --git a/pandas/tests/arithmetic/test_interval.py b/pandas/tests/arithmetic/test_interval.py
index 66526204a6208..50b5fe8e6f6b9 100644
--- a/pandas/tests/arithmetic/test_interval.py
+++ b/pandas/tests/arithmetic/test_interval.py
@@ -284,3 +284,11 @@ def test_index_series_compat(self, op, constructor, expected_type, assert_func):
         result = op(index, other)
         expected = expected_type(self.elementwise_comparison(op, index, other))
         assert_func(result, expected)
+
+    @pytest.mark.parametrize("scalars", ["a", False, 1, 1.0, None])
+    def test_comparison_operations(self, scalars):
+        # GH #28981
+        expected = Series([False, False])
+        s = pd.Series([pd.Interval(0, 1), pd.Interval(1, 2)], dtype="interval")
+        result = s == scalars
+        tm.assert_series_equal(result, expected)