diff --git a/src/kcms/kio/netpref.h b/src/kcms/kio/netpref.h
--- a/src/kcms/kio/netpref.h
+++ b/src/kcms/kio/netpref.h
@@ -29,6 +29,7 @@
     QGroupBox* gb_Ftp;
     QGroupBox* gb_Timeout;
     QCheckBox* cb_globalMarkPartial;
+    KPluralHandlingSpinBox* sb_globalMinimumKeepSize;
     QCheckBox* cb_ftpEnablePasv;
     QCheckBox* cb_ftpMarkPartial;
 
diff --git a/src/kcms/kio/netpref.cpp b/src/kcms/kio/netpref.cpp
--- a/src/kcms/kio/netpref.cpp
+++ b/src/kcms/kio/netpref.cpp
@@ -82,6 +82,20 @@
             this, &KIOPreferences::configChanged);
     globalLayout->addWidget(cb_globalMarkPartial);
 
+    auto partialWidget = new QWidget(this);
+    connect(cb_globalMarkPartial, &QAbstractButton::toggled,
+            partialWidget, [partialWidget](bool checked) { partialWidget->setEnabled(checked); });
+    globalLayout->addWidget(partialWidget);
+    auto partialLayout = new QFormLayout(gb_Global);
+    partialLayout->setContentsMargins(20, 0, 0, 0); // indent below mark partial
+    partialWidget->setLayout(partialLayout);
+    sb_globalMinimumKeepSize = new KPluralHandlingSpinBox( this );
+    sb_globalMinimumKeepSize->setSuffix( ki18np( " byte", " bytes" ) );
+    connect(sb_globalMinimumKeepSize, QOverload<int>::of(&QSpinBox::valueChanged),
+            this, &KIOPreferences::configChanged);
+    partialLayout->addRow(i18nc( "@label:spinbox", "Minimum size required to keep on cancel:" ),
+                          sb_globalMinimumKeepSize);
+
     gb_Ftp = new QGroupBox( i18n( "FTP Options" ), this );
     mainLayout->addWidget( gb_Ftp );
     QVBoxLayout* ftpLayout = new QVBoxLayout(gb_Ftp);
@@ -127,6 +141,8 @@
   sb_proxyConnect->setValue( proto.proxyConnectTimeout() );
 
   cb_globalMarkPartial->setChecked( proto.markPartial() );
+  sb_globalMinimumKeepSize->setRange( 0, 1024 * 1024 * 1024 /* 1 GiB */ );
+  sb_globalMinimumKeepSize->setValue( proto.minimumKeepSize() );
 
   KConfig config( QStringLiteral("kio_ftprc"), KConfig::NoGlobals );
   cb_ftpEnablePasv->setChecked( !config.group("").readEntry( "DisablePassiveMode", false ) );
@@ -142,6 +158,7 @@
   KSaveIOConfig::setProxyConnectTimeout( sb_proxyConnect->value() );
 
   KSaveIOConfig::setMarkPartial( cb_globalMarkPartial->isChecked() );
+  KSaveIOConfig::setMinimumKeepSize( sb_globalMinimumKeepSize->value() );
 
   KConfig config(QStringLiteral("kio_ftprc"), KConfig::NoGlobals);
   config.group("").writeEntry( "DisablePassiveMode", !cb_ftpEnablePasv->isChecked() );