diff --git a/src/qt/walletview.h b/src/qt/walletview.h
index 86e46348be82d..78d870f59fd18 100644
--- a/src/qt/walletview.h
+++ b/src/qt/walletview.h
@@ -66,7 +66,7 @@ class WalletView : public QStackedWidget
 
     TransactionView *transactionView;
 
-    QProgressDialog *progressDialog;
+    QProgressDialog* progressDialog{nullptr};
     const PlatformStyle *platformStyle;
 
 public Q_SLOTS: