diff --git a/Templates/MSBuild/FlagTables/v142_CL.json b/Templates/MSBuild/FlagTables/v142_CL.json
index eff5dec489..70d20c5e2d 100644
--- a/Templates/MSBuild/FlagTables/v142_CL.json
+++ b/Templates/MSBuild/FlagTables/v142_CL.json
@@ -478,7 +478,7 @@
   },
   {
     "name": "PrecompiledHeader",
-    "switch": "",
+    "switch": "Y-",
     "comment": "Not Using Precompiled Headers",
     "value": "NotUsing",
     "flags": []