diff --git a/llvm/tools/lto/LTOCodeGenerator.cpp b/llvm/tools/lto/LTOCodeGenerator.cpp
index 1ea419a918bd..5fbdf9285b53 100644
--- a/llvm/tools/lto/LTOCodeGenerator.cpp
+++ b/llvm/tools/lto/LTOCodeGenerator.cpp
@@ -335,7 +335,7 @@ void LTOCodeGenerator::applyScopeRestrictions()
             for (Module::global_iterator v = mergedModule->global_begin(), 
                                  e = mergedModule->global_end(); v !=  e; ++v) {
                 if ( !v->isDeclaration()
-                  && _mustPreserveSymbols.count(mangler.getMangledName(v)) )
+                  && _mustPreserveSymbols.count(mangler.getNameWithPrefix(v)) )
                   mustPreserveList.push_back(::strdup(v->getNameStr().c_str()));
             }
             passes.add(createInternalizePass(mustPreserveList));