diff --git a/ui/qt/wlan_statistics_dialog.cpp b/ui/qt/wlan_statistics_dialog.cpp
index ae93f7904e..21a803945b 100644
--- a/ui/qt/wlan_statistics_dialog.cpp
+++ b/ui/qt/wlan_statistics_dialog.cpp
@@ -501,8 +501,10 @@ WlanStatisticsDialog::WlanStatisticsDialog(QWidget &parent, CaptureFile &cf, con
             << tr("Deauths") << tr("Other");
     statsTreeWidget()->setHeaderLabels(header_labels);
     updateHeaderLabels();
-    statsTreeWidget()->setItemDelegateForColumn(col_pct_packets_, new PercentBarDelegate());
-    statsTreeWidget()->setItemDelegateForColumn(col_pct_retry_, new PercentBarDelegate());
+    packets_delegate_ = new PercentBarDelegate();
+    statsTreeWidget()->setItemDelegateForColumn(col_pct_packets_, packets_delegate_);
+    retry_delegate_ = new PercentBarDelegate();
+    statsTreeWidget()->setItemDelegateForColumn(col_pct_retry_, retry_delegate_);
     statsTreeWidget()->sortByColumn(col_bssid_, Qt::AscendingOrder);
 
     // resizeColumnToContents doesn't work well here, so set sizes manually.
@@ -546,6 +548,8 @@ WlanStatisticsDialog::WlanStatisticsDialog(QWidget &parent, CaptureFile &cf, con
 
 WlanStatisticsDialog::~WlanStatisticsDialog()
 {
+    delete packets_delegate_;
+    delete retry_delegate_;
     delete add_station_timer_;
 }
 
diff --git a/ui/qt/wlan_statistics_dialog.h b/ui/qt/wlan_statistics_dialog.h
index 2bc1233e45..b7fff75540 100644
--- a/ui/qt/wlan_statistics_dialog.h
+++ b/ui/qt/wlan_statistics_dialog.h
@@ -11,6 +11,7 @@
 #define WLANSTATISTICSDIALOG_H
 
 #include "tap_parameter_dialog.h"
+#include <ui/qt/models/percent_bar_delegate.h>
 
 class QElapsedTimer;
 
@@ -27,6 +28,7 @@ protected:
 private:
     int packet_count_;
     int cur_network_;
+    PercentBarDelegate *packets_delegate_, *retry_delegate_;
     QElapsedTimer *add_station_timer_;
     QString displayFilter_;