diff --git a/src/plugins/python/pythonutils.h b/src/plugins/python/pythonutils.h
index e7e7b225008..28d1faf6074 100644
--- a/src/plugins/python/pythonutils.h
+++ b/src/plugins/python/pythonutils.h
@@ -40,7 +40,7 @@ namespace TextEditor { class TextDocument; }
 namespace Python {
 namespace Internal {
 
-class PythonLanguageServerState;
+struct PythonLanguageServerState;
 
 class PyLSConfigureAssistant : public QObject
 {