diff --git a/Templates/MSBuild/FlagTables/v10_CL.json b/Templates/MSBuild/FlagTables/v10_CL.json
index 928e541ab1..06158bee76 100644
--- a/Templates/MSBuild/FlagTables/v10_CL.json
+++ b/Templates/MSBuild/FlagTables/v10_CL.json
@@ -366,7 +366,7 @@
   },
   {
     "name": "PrecompiledHeader",
-    "switch": "",
+    "switch": "Y-",
     "comment": "Not Using Precompiled Headers",
     "value": "NotUsing",
     "flags": []
diff --git a/Templates/MSBuild/FlagTables/v11_CL.json b/Templates/MSBuild/FlagTables/v11_CL.json
index ffbf274d27..b47ab2e983 100644
--- a/Templates/MSBuild/FlagTables/v11_CL.json
+++ b/Templates/MSBuild/FlagTables/v11_CL.json
@@ -387,7 +387,7 @@
   },
   {
     "name": "PrecompiledHeader",
-    "switch": "",
+    "switch": "Y-",
     "comment": "Not Using Precompiled Headers",
     "value": "NotUsing",
     "flags": []
diff --git a/Templates/MSBuild/FlagTables/v12_CL.json b/Templates/MSBuild/FlagTables/v12_CL.json
index 72618e2975..771a5551cd 100644
--- a/Templates/MSBuild/FlagTables/v12_CL.json
+++ b/Templates/MSBuild/FlagTables/v12_CL.json
@@ -415,7 +415,7 @@
   },
   {
     "name": "PrecompiledHeader",
-    "switch": "",
+    "switch": "Y-",
     "comment": "Not Using Precompiled Headers",
     "value": "NotUsing",
     "flags": []
diff --git a/Templates/MSBuild/FlagTables/v140_CL.json b/Templates/MSBuild/FlagTables/v140_CL.json
index 853df07334..3dc9f353d3 100644
--- a/Templates/MSBuild/FlagTables/v140_CL.json
+++ b/Templates/MSBuild/FlagTables/v140_CL.json
@@ -422,7 +422,7 @@
   },
   {
     "name": "PrecompiledHeader",
-    "switch": "",
+    "switch": "Y-",
     "comment": "Not Using Precompiled Headers",
     "value": "NotUsing",
     "flags": []
diff --git a/Templates/MSBuild/FlagTables/v141_CL.json b/Templates/MSBuild/FlagTables/v141_CL.json
index 124e45d3ce..7493ed877b 100644
--- a/Templates/MSBuild/FlagTables/v141_CL.json
+++ b/Templates/MSBuild/FlagTables/v141_CL.json
@@ -478,7 +478,7 @@
   },
   {
     "name": "PrecompiledHeader",
-    "switch": "",
+    "switch": "Y-",
     "comment": "Not Using Precompiled Headers",
     "value": "NotUsing",
     "flags": []