diff --git a/lldb/source/Expression/Materializer.cpp b/lldb/source/Expression/Materializer.cpp
index afc39bcf4089..450d1adc9397 100644
--- a/lldb/source/Expression/Materializer.cpp
+++ b/lldb/source/Expression/Materializer.cpp
@@ -101,7 +101,7 @@ public:
         // Put the location of the spare memory into the live data of the ValueObject.
         
         m_persistent_variable_sp->m_live_sp = ValueObjectConstResult::Create (map.GetBestExecutionContextScope(),
-                                                                              llvm::cast<ClangExpressionVariable>(m_persistent_variable_sp.get())->GetTypeFromUser(),
+                                                                              m_persistent_variable_sp->GetCompilerType(),
                                                                               m_persistent_variable_sp->GetName(),
                                                                               mem,
                                                                               eAddressTypeLoad,