diff --git a/src/ViewContainer.cpp b/src/ViewContainer.cpp
--- a/src/ViewContainer.cpp
+++ b/src/ViewContainer.cpp
@@ -152,6 +152,8 @@
     setCornerWidget( KonsoleSettings::showQuickButtons() ? _newTabButton : nullptr, Qt::TopLeftCorner);
     setCornerWidget( KonsoleSettings::showQuickButtons() ? _closeTabButton : nullptr, Qt::TopRightCorner);
 
+    tabBar()->setExpanding(KonsoleSettings::expandTabWidth());
+    tabBar()->update();
     if (isVisible() && KonsoleSettings::showQuickButtons()) {
         _newTabButton->setVisible(true);
         _closeTabButton->setVisible(true);
diff --git a/src/ViewManager.h b/src/ViewManager.h
--- a/src/ViewManager.h
+++ b/src/ViewManager.h
@@ -281,6 +281,9 @@
       */
     Q_SCRIPTABLE void moveSessionRight();
 
+    /** DBus slot that sets ALL tabs' width to match their text */
+    Q_SCRIPTABLE void setTabWidthToText(bool);
+
 private Q_SLOTS:
     // called when the "Split View Left/Right" menu item is selected
     void splitLeftRight();
diff --git a/src/ViewManager.cpp b/src/ViewManager.cpp
--- a/src/ViewManager.cpp
+++ b/src/ViewManager.cpp
@@ -1101,3 +1101,11 @@
 {
     moveActiveViewRight();
 }
+
+void ViewManager::setTabWidthToText(bool setTabWidthToText)
+{
+    for(auto container : _viewSplitter->containers()) {
+        container->tabBar()->setExpanding(!setTabWidthToText);
+        container->tabBar()->update();
+    }
+}