diff --git a/src/plugins/debugger/basewindow.cpp b/src/plugins/debugger/basewindow.cpp
index 2ab1f6b4b8f..792f6bba05a 100644
--- a/src/plugins/debugger/basewindow.cpp
+++ b/src/plugins/debugger/basewindow.cpp
@@ -94,6 +94,8 @@ bool BaseWindow::handleBaseContextAction(QAction *act)
         return true;
     }
     if (act == m_alwaysAdjustColumnsAction) {
+        if (act->isChecked())
+            resizeColumnsToContents();
         // Action triggered automatically.
         return true;
     }
@@ -121,5 +123,13 @@ void BaseWindow::setAlwaysResizeColumnsToContents(bool on)
     header()->setResizeMode(0, mode);
 }
 
+void BaseWindow::reset()
+{
+    QTreeView::reset();
+    if (header() && m_alwaysAdjustColumnsAction
+            && m_alwaysAdjustColumnsAction->isChecked())
+        resizeColumnsToContents();
+}
+
 } // namespace Internal
 } // namespace Debugger
diff --git a/src/plugins/debugger/basewindow.h b/src/plugins/debugger/basewindow.h
index 33b187bb317..0ec929c8b92 100644
--- a/src/plugins/debugger/basewindow.h
+++ b/src/plugins/debugger/basewindow.h
@@ -59,6 +59,7 @@ public slots:
 private slots:
     void setAlternatingRowColorsHelper(bool on) { setAlternatingRowColors(on); }
     void rowActivatedHelper(const QModelIndex &index) { rowActivated(index); }
+    void reset();
 
 private:
     QAction *m_alwaysAdjustColumnsAction;