diff --git a/src/db/abstract/abstract-db.cpp b/src/db/abstract/abstract-db.cpp
index ce64805ae..a3cb11e0a 100644
--- a/src/db/abstract/abstract-db.cpp
+++ b/src/db/abstract/abstract-db.cpp
@@ -31,7 +31,7 @@ using namespace std;
 
 LINPHONE_BEGIN_NAMESPACE
 
-AbstractDb::AbstractDb (AbstractDbPrivate &p) : Object(*new AbstractDbPrivate) {}
+AbstractDb::AbstractDb (AbstractDbPrivate &p) : Object(p) {}
 
 bool AbstractDb::connect (Backend backend, const string &parameters) {
 	L_D();
diff --git a/src/db/main-db-p.h b/src/db/main-db-p.h
index 01b9692b8..b7133a055 100644
--- a/src/db/main-db-p.h
+++ b/src/db/main-db-p.h
@@ -108,7 +108,7 @@ private:
 	long long insertConferenceParticipantDeviceEvent (const std::shared_ptr<EventLog> &eventLog);
 	long long insertConferenceSubjectEvent (const std::shared_ptr<EventLog> &eventLog);
 
-	Core *core;
+	Core *core = nullptr;
 
 	L_DECLARE_PUBLIC(MainDb);
 };