diff --git a/src/plugins/coreplugin/editormanager/editormanager.cpp b/src/plugins/coreplugin/editormanager/editormanager.cpp
index 779c60772f5..319feea7d0e 100644
--- a/src/plugins/coreplugin/editormanager/editormanager.cpp
+++ b/src/plugins/coreplugin/editormanager/editormanager.cpp
@@ -2247,7 +2247,8 @@ void EditorManager::removeAllSplits()
     d->m_splitter->unsplitAll();
     if (!editor)
         editor = pickUnusedEditor();
-    activateEditor(editor);
+    if (editor)
+        activateEditor(editor);
 }
 
 void EditorManager::gotoOtherSplit()