diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index cbaa831124..73acd32e36 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -1341,6 +1341,7 @@ void BitcoinGUI::showProgress(const QString &title, int nProgress)
         if (progressDialog) {
             progressDialog->close();
             progressDialog->deleteLater();
+            progressDialog = nullptr;
         }
     } else if (progressDialog) {
         progressDialog->setValue(nProgress);
diff --git a/src/qt/walletview.cpp b/src/qt/walletview.cpp
index 949dd8db89..cca1a464f1 100644
--- a/src/qt/walletview.cpp
+++ b/src/qt/walletview.cpp
@@ -315,6 +315,7 @@ void WalletView::showProgress(const QString &title, int nProgress)
         if (progressDialog) {
             progressDialog->close();
             progressDialog->deleteLater();
+            progressDialog = nullptr;
         }
     } else if (progressDialog) {
         if (progressDialog->wasCanceled()) {