diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 62b1968..d06bbf5 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -3565,7 +3565,7 @@
     = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon,
                                                                ArgPack);
   Types.push_back(SubstParm);
-  SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos);
+  SubstTemplateTypeParmPackTypes.InsertNode(SubstParm, InsertPos);
   return QualType(SubstParm, 0);  
 }