diff --git a/lldb/source/Plugins/Language/ObjC/ObjCLanguage.cpp b/lldb/source/Plugins/Language/ObjC/ObjCLanguage.cpp
index 0e0f8ae7fb0a..3be548ad4144 100644
--- a/lldb/source/Plugins/Language/ObjC/ObjCLanguage.cpp
+++ b/lldb/source/Plugins/Language/ObjC/ObjCLanguage.cpp
@@ -15,6 +15,7 @@
 #include "lldb/DataFormatters/DataVisualization.h"
 #include "lldb/DataFormatters/FormattersHelpers.h"
 #include "lldb/Symbol/ClangASTContext.h"
+#include "lldb/Symbol/ClangUtil.h"
 #include "lldb/Symbol/CompilerType.h"
 #include "lldb/Target/Target.h"
 #include "lldb/Utility/ConstString.h"