diff --git a/src/dolphinmainwindow.cpp b/src/dolphinmainwindow.cpp
index 5741e8943..63253e681 100644
--- a/src/dolphinmainwindow.cpp
+++ b/src/dolphinmainwindow.cpp
@@ -365,7 +365,7 @@ void DolphinMainWindow::slotSelectionChanged(const KFileItemList& selection)
     const int selectedUrlsCount = m_tabWidget->currentTabPage()->selectedItemsCount();
 
     QAction *compareFilesAction = actionCollection()->action(QStringLiteral("compare_files"));
-    if (selectedUrlsCount == 2) {
+    if (selectedUrlsCount == 2 || selectedUrlsCount == 3) {
         compareFilesAction->setEnabled(isKompareInstalled());
     } else {
         compareFilesAction->setEnabled(false);
@@ -1058,7 +1058,7 @@ void DolphinMainWindow::goHomeInNewTab()
 void DolphinMainWindow::compareFiles()
 {
     const KFileItemList items = m_tabWidget->currentTabPage()->selectedItems();
-    if (items.count() != 2) {
+    if (items.count() != 2 && items.count() != 3) {
         // The action is disabled in this case, but it could have been triggered
         // via D-Bus, see https://bugs.kde.org/show_bug.cgi?id=325517
         return;
@@ -1067,14 +1067,20 @@ void DolphinMainWindow::compareFiles()
     QUrl urlA = items.at(0).url();
     QUrl urlB = items.at(1).url();
 
-    QString command(QStringLiteral("kompare -c \""));
+    QString command(QStringLiteral("meld \""));
     command.append(urlA.toDisplayString(QUrl::PreferLocalFile));
     command.append("\" \"");
     command.append(urlB.toDisplayString(QUrl::PreferLocalFile));
     command.append('\"');
+    if (items.count() == 3) {
+        QUrl urlC = items.at(2).url();
+        command.append(" \"");
+        command.append(urlC.toDisplayString(QUrl::PreferLocalFile));
+        command.append('\"');
+    }
 
     KIO::CommandLauncherJob *job = new KIO::CommandLauncherJob(command, this);
-    job->setDesktopName(QStringLiteral("org.kde.kompare"));
+    job->setDesktopName(QStringLiteral("org.gnome.meld"));
     job->start();
 }
 
@@ -1846,7 +1852,7 @@ void DolphinMainWindow::setupActions()
     // setup 'Tools' menu
     QAction *compareFiles = actionCollection()->addAction(QStringLiteral("compare_files"));
     compareFiles->setText(i18nc("@action:inmenu Tools", "Compare Files"));
-    compareFiles->setIcon(QIcon::fromTheme(QStringLiteral("kompare")));
+    compareFiles->setIcon(QIcon::fromTheme(QStringLiteral("meld")));
     compareFiles->setEnabled(false);
     connect(compareFiles, &QAction::triggered, this, &DolphinMainWindow::compareFiles);
 
@@ -2433,7 +2439,7 @@ bool DolphinMainWindow::isKompareInstalled() const
     if (!initialized) {
         // TODO: maybe replace this approach later by using a menu
         // plugin like kdiff3plugin.cpp
-        installed = !QStandardPaths::findExecutable(QStringLiteral("kompare")).isEmpty();
+        installed = !QStandardPaths::findExecutable(QStringLiteral("meld")).isEmpty();
         initialized = true;
     }
     return installed;