diff --git a/coreapi/callbacks.c b/coreapi/callbacks.c
index 8a70e1718..45a0e1d87 100644
--- a/coreapi/callbacks.c
+++ b/coreapi/callbacks.c
@@ -416,7 +416,7 @@ static void message_received(SalOp *op, const SalMessage *msg){
 	if (reason == LinphoneReasonNone) {
 		linphone_core_message_received(lc, op, msg);
 	}
-	auto messageOp = dynamic_cast<SalMessageOp *>(op);
+	auto messageOp = dynamic_cast<SalMessageOpInterface *>(op);
 	messageOp->reply(linphone_reason_to_sal(reason));
 	if (!call) op->release();
 }