diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 0db0d9e..58be7ae 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -1501,7 +1501,7 @@
     
     Expr *CopyCtorArg = 
       DeclRefExpr::Create(SemaRef.Context, 0, SourceRange(), Param, 
-                          SourceLocation(), ParamType, 0);
+                          Constructor->getLocation(), ParamType, 0);
     
     // Cast to the base class to avoid ambiguities.
     QualType ArgTy =