diff --git a/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeElementMembers.java b/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeElementMembers.java
index b4d8b93a8c..8e9bb0ebf8 100644
--- a/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeElementMembers.java
+++ b/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/TypeElementMembers.java
@@ -95,8 +95,9 @@ class TypeElementMembers {
 	}
 
 	private boolean isSetterReturnType(ExecutableElement method) {
-		return (TypeKind.VOID == method.getReturnType().getKind() || method
-				.getEnclosingElement().asType().equals(method.getReturnType()));
+		return (TypeKind.VOID == method.getReturnType().getKind() || this.env
+				.getTypeUtils().isSameType(method.getEnclosingElement().asType(),
+						method.getReturnType()));
 	}
 
 	private String getAccessorName(String methodName) {