diff --git a/lldb/source/Symbol/ClangASTContext.cpp b/lldb/source/Symbol/ClangASTContext.cpp
index 6a77c3fc729b..4ce9aa4c34d5 100644
--- a/lldb/source/Symbol/ClangASTContext.cpp
+++ b/lldb/source/Symbol/ClangASTContext.cpp
@@ -565,7 +565,7 @@ ClangASTContext::getDiagnosticsEngine()
     if (m_diagnostics_engine_ap.get() == NULL)
     {
         llvm::IntrusiveRefCntPtr<DiagnosticIDs> diag_id_sp(new DiagnosticIDs());
-        m_diagnostics_engine_ap.reset(new DiagnosticsEngine(diag_id_sp));
+        m_diagnostics_engine_ap.reset(new DiagnosticsEngine(diag_id_sp, new DiagnosticOptions()));
     }
     return m_diagnostics_engine_ap.get();
 }