diff --git a/krusader/Dialogs/krspwidgets.h b/krusader/Dialogs/krspwidgets.h
--- a/krusader/Dialogs/krspwidgets.h
+++ b/krusader/Dialogs/krspwidgets.h
@@ -53,6 +53,7 @@
 {
 public:
     newFTPSub();
+    ~newFTPSub() override;
 
 protected:
     void reject() override;
diff --git a/krusader/Dialogs/krspwidgets.cpp b/krusader/Dialogs/krspwidgets.cpp
--- a/krusader/Dialogs/krspwidgets.cpp
+++ b/krusader/Dialogs/krspwidgets.cpp
@@ -38,7 +38,6 @@
 #include <qnamespace.h>		// missing ?
 
 #include <KCompletion/KComboBox>
-#include <KCompletion/KHistoryComboBox>
 #include <KConfigCore/KSharedConfig>
 #include <KI18n/KLocalizedString>
 #include <KWidgetsAddons/KCursor>
@@ -144,16 +143,6 @@
 void newFTPSub::accept()
 {
     url->addToHistory(url->currentText());
-    // save the history and completion list when the history combo is
-    // destroyed
-    KConfigGroup group(krConfig, "Private");
-    QStringList list = url->completionObject()->items();
-    group.writeEntry("newFTP Completion list", list);
-    list = url->historyItems();
-    group.writeEntry("newFTP History list", list);
-    QString protocol = prefix->currentText();
-    group.writeEntry("newFTP Protocol", protocol);
-
     newFTPGUI::accept();
 }
 
@@ -163,6 +152,18 @@
     newFTPGUI::reject();
 }
 
+newFTPSub::~newFTPSub()
+{
+    // Save the history and the completion list of the url comboBox
+    KConfigGroup group(krConfig, "Private");
+    QStringList list = url->completionObject()->items();
+    group.writeEntry("newFTP Completion list", list);
+    list = url->historyItems();
+    group.writeEntry("newFTP History list", list);
+    QString protocol = prefix->currentText();
+    group.writeEntry("newFTP Protocol", protocol);
+}
+
 /////////////////////////// KrMaskChoiceSub ///////////////////////////////
 KrMaskChoiceSub::KrMaskChoiceSub(QWidget * parent) : KrMaskChoice(parent)
 {
diff --git a/krusader/Dialogs/newftpgui.cpp b/krusader/Dialogs/newftpgui.cpp
--- a/krusader/Dialogs/newftpgui.cpp
+++ b/krusader/Dialogs/newftpgui.cpp
@@ -153,7 +153,7 @@
     connect(buttonBox, &QDialogButtonBox::rejected, this, &newFTPGUI::reject);
 
     connect(prefix, QOverload<const QString &>::of(&KComboBox::activated), this, &newFTPGUI::slotTextChanged);
-    connect(url, QOverload<const QString &>::of(&KHistoryComboBox::activated), url, &KHistoryComboBox::addToHistory);
+    connect(url, QOverload<const QString &>::of(&KrHistoryComboBox::activated), url, &KrHistoryComboBox::addToHistory);
 
     if(!lastUsedProtocol.isEmpty()) {
         // update the port field