diff --git a/src/main/java/spoon/support/adaption/TypeAdaptor.java b/src/main/java/spoon/support/adaption/TypeAdaptor.java
index b19f564e45f..74e45256926 100644
--- a/src/main/java/spoon/support/adaption/TypeAdaptor.java
+++ b/src/main/java/spoon/support/adaption/TypeAdaptor.java
@@ -559,6 +559,7 @@ private Optional<CtExecutable<?>> getDeclaringMethodOrConstructor(CtTypeReferenc
 		return Optional.of((CtExecutable<?>) parent);
 	}
 
+	@SuppressWarnings("AssignmentToMethodParameter")
 	private DeclarationNode buildHierarchyFrom(CtTypeReference<?> startReference, CtType<?> startType,
 		CtTypeReference<?> end) {
 		CtType<?> endType = findDeclaringType(end);