diff --git a/ethosu/vela/supported_operators.py b/ethosu/vela/supported_operators.py
index 4e98912..66c74fc 100644
--- a/ethosu/vela/supported_operators.py
+++ b/ethosu/vela/supported_operators.py
@@ -137,7 +137,8 @@
 
     def is_operator_supported(self, op):
         if op.type not in SupportedOperators.supported_operators:
-            print('Info: "{}" is not supported on the NPU. Placing on CPU instead'.format(op.type))
+            if op.type not in (Op.Placeholder, Op.SubgraphInput, Op.Const):
+                print("Info: {} '{}' is not supported on the NPU. Placing on CPU instead".format(op.type, op.name))
             return False
         for constraint in self.generic_constraints:
             valid, extra = constraint(op)