diff --git a/pennylane_lightning/lightning_qubit.py b/pennylane_lightning/lightning_qubit.py
index c7b3fa3610..04f69d2b45 100644
--- a/pennylane_lightning/lightning_qubit.py
+++ b/pennylane_lightning/lightning_qubit.py
@@ -201,7 +201,7 @@ def accepts_obj(obj):
                 return True
             if obj.name == "GroverOperator" and len(obj.wires) < 13:
                 return True
-            return not isinstance(obj, qml.tape.QuantumTape) and getattr(
+            return (not isinstance(obj, qml.tape.QuantumTape)) and getattr(
                 self, "supports_operation", lambda name: False
             )(obj.name)