diff --git a/tools/llvm2cpp/CppWriter.cpp b/tools/llvm2cpp/CppWriter.cpp
index 58c67b7..86e2661 100644
--- a/tools/llvm2cpp/CppWriter.cpp
+++ b/tools/llvm2cpp/CppWriter.cpp
@@ -473,6 +473,8 @@
             Out << " | ParamAttr::SExt";
           if (attrs & ParamAttr::ZExt)
             Out << " | ParamAttr::ZExt";
+          if (attrs & ParamAttr::NoAlias)
+            Out << " | ParamAttr::NoAlias";
           if (attrs & ParamAttr::StructRet)
             Out << " | ParamAttr::StructRet";
           if (attrs & ParamAttr::InReg)