diff --git a/src/qt/walletview.h b/src/qt/walletview.h
index e29c4c52f..fe7af753a 100644
--- a/src/qt/walletview.h
+++ b/src/qt/walletview.h
@@ -68,7 +68,7 @@ private:
 
     TransactionView *transactionView;
 
-    QProgressDialog *progressDialog;
+    QProgressDialog* progressDialog{nullptr};
     const PlatformStyle *platformStyle;
 
 public Q_SLOTS: