diff --git a/lib/_range.py b/lib/_range.py
index 306f1f73..0f159908 100644
--- a/lib/_range.py
+++ b/lib/_range.py
@@ -121,6 +121,8 @@ class Range(object):
         return self._bounds is not None
 
     def __eq__(self, other):
+        if not isinstance(other, Range):
+            return False
         return (self._lower == other._lower
             and self._upper == other._upper
             and self._bounds == other._bounds)
diff --git a/tests/test_types_extras.py b/tests/test_types_extras.py
index 98fbbadf..eded26a1 100755
--- a/tests/test_types_extras.py
+++ b/tests/test_types_extras.py
@@ -1212,6 +1212,19 @@ class RangeTestCase(unittest.TestCase):
         assert_not_equal(Range(10, 20), Range(11, 20))
         assert_not_equal(Range(10, 20, '[)'), Range(10, 20, '[]'))
 
+    def test_eq_wrong_type(self):
+        from psycopg2.extras import Range
+        self.assertFalse(Range(10, 20)==())
+
+    def test_eq_subclass(self):
+        from psycopg2.extras import Range, NumericRange
+        
+        class IntRange(NumericRange): pass
+        class PositiveIntRange(IntRange): pass
+        
+        self.assertTrue(Range(10, 20)==IntRange(10, 20))
+        self.assertTrue(PositiveIntRange(10, 20)==IntRange(10, 20))
+
     def test_not_ordered(self):
         from psycopg2.extras import Range
         self.assertRaises(TypeError, lambda: Range(empty=True) < Range(0,4))