diff --git a/Templates/MSBuild/FlagTables/v142_CL.json b/Templates/MSBuild/FlagTables/v142_CL.json
index 95b9d14f61faedb447e18feeb7a1e0b706a80a41..7c2d291f9a1480818e3cc9a57d097d4275b6094f 100644
--- a/Templates/MSBuild/FlagTables/v142_CL.json
+++ b/Templates/MSBuild/FlagTables/v142_CL.json
@@ -454,6 +454,20 @@
     "value": "stdcpplatest",
     "flags": []
   },
+  {
+    "name": "LanguageStandard_C",
+    "switch": "std:c11",
+    "comment": "ISO C11 Standard",
+    "value": "stdc11",
+    "flags": []
+  },
+  {
+    "name": "LanguageStandard_C",
+    "switch": "std:c17",
+    "comment": "ISO C17 (2018) Standard",
+    "value": "stdc17",
+    "flags": []
+  },
   {
     "name": "PrecompiledHeader",
     "switch": "Yc",