diff --git a/src/lastusednumbermodel.cpp b/src/lastusednumbermodel.cpp
index 190bb05e2e104cd6fa66653745ee5e537322e58f..ed37382185e453463c728e2f6da4f15a81e5b7b9 100644
--- a/src/lastusednumbermodel.cpp
+++ b/src/lastusednumbermodel.cpp
@@ -39,7 +39,7 @@ public:
    ChainedContactMethod* m_pFirstNode;
    QHash<ContactMethod*,ChainedContactMethod*> m_hNumbers;
    bool m_IsValid;
-   ChainedContactMethod* m_lLastNumbers[MAX_ITEM];
+   ChainedContactMethod* m_lLastNumbers[MAX_ITEM] {};
 };
 
 LastUsedNumberModelPrivate::LastUsedNumberModelPrivate():m_pFirstNode(nullptr),m_IsValid(false)