diff --git a/Signum.Upgrade/Upgrades/Upgrade_20201123_Typescript41.cs b/Signum.Upgrade/Upgrades/Upgrade_20201123_Typescript41.cs
index a2ebe651b9..b5c9ecf730 100644
--- a/Signum.Upgrade/Upgrades/Upgrade_20201123_Typescript41.cs
+++ b/Signum.Upgrade/Upgrades/Upgrade_20201123_Typescript41.cs
@@ -30,7 +30,7 @@ public override void Execute(UpgradeContext uctx)
             uctx.ChangeCodeFile("Southwind.React/tsconfig.json", file =>
             {
                 file.RemoveAllLines(a => a.Contains(@"""baseUrl"": ""."","));
-                file.Replace("*", "./*");
+                file.Replace("\"*\"", "\"./*\"");
             });
         }
     }