diff --git a/src/plugins/languageclient/callhierarchy.cpp b/src/plugins/languageclient/callhierarchy.cpp
index 098a1a4b641..fb2d680e3f6 100644
--- a/src/plugins/languageclient/callhierarchy.cpp
+++ b/src/plugins/languageclient/callhierarchy.cpp
@@ -15,6 +15,8 @@
 #include <utils/treemodel.h>
 #include <utils/utilsicons.h>
 
+#include <QLayout>
+
 using namespace Utils;
 using namespace TextEditor;
 using namespace LanguageServerProtocol;