diff --git a/aspnetcore/blazor/host-and-deploy/webassembly/_samples/web.config b/aspnetcore/blazor/host-and-deploy/webassembly/_samples/web.config
index 011cdb4ea9d3..ea9b8f342392 100644
--- a/aspnetcore/blazor/host-and-deploy/webassembly/_samples/web.config
+++ b/aspnetcore/blazor/host-and-deploy/webassembly/_samples/web.config
@@ -6,6 +6,7 @@
       <remove fileExtension=".json" />
       <remove fileExtension=".woff" />
       <remove fileExtension=".woff2" />
+      <remove fileExtension=".wasm" />
       <mimeMap fileExtension=".json" mimeType="application/json" />
       <mimeMap fileExtension=".woff" mimeType="font/woff" />
       <mimeMap fileExtension=".woff2" mimeType="font/woff2" />