diff --git a/test/test_mps.py b/test/test_mps.py
index 9d1197d..7442f06 100644
--- a/test/test_mps.py
+++ b/test/test_mps.py
@@ -209,6 +209,8 @@
 def mps_ops_modifier(ops):
     # Supported complex OPS
     SUPPORTED_COMPLEX_OPS = [
+        '__radd__',
+        'add',
         'atleast_1d',
         'atleast_2d',
         'atleast_3d',
@@ -243,6 +245,7 @@
         'split',
         'squeeze',
         'squeezemultiple',
+        'sub',
         't',
         'unflatten',
         'unsafe_split',