diff --git a/src/plugins/texteditor/basetexteditor.cpp b/src/plugins/texteditor/basetexteditor.cpp
index cac0518166d..cdad9c23923 100644
--- a/src/plugins/texteditor/basetexteditor.cpp
+++ b/src/plugins/texteditor/basetexteditor.cpp
@@ -189,6 +189,7 @@ class BaseTextEditorPrivate
 {
 public:
     BaseTextEditorPrivate()
+        : m_autoCompleter(new AutoCompleter)
     {}
 
     // Note: This is always a copy of IContext::m_widget.