diff --git a/cli/file_fetcher.rs b/cli/file_fetcher.rs
index 317850113f..c3a576df54 100644
--- a/cli/file_fetcher.rs
+++ b/cli/file_fetcher.rs
@@ -529,6 +529,7 @@ fn map_content_type(path: &Path, content_type: Option<&str>) -> msg::MediaType {
           map_js_like_extension(path, msg::MediaType::JavaScript)
         }
         "application/json" | "text/json" => msg::MediaType::Json,
+        "application/wasm" => msg::MediaType::Wasm,
         // Handle plain and possibly webassembly
         "text/plain" | "application/octet-stream" => map_file_extension(path),
         _ => {
diff --git a/cli/tests/055_import_wasm_via_network.ts.out b/cli/tests/055_import_wasm_via_network.ts.out
index 586dfd3fff..4c3589e02d 100644
--- a/cli/tests/055_import_wasm_via_network.ts.out
+++ b/cli/tests/055_import_wasm_via_network.ts.out
@@ -1 +1 @@
-{ __data_end, __dso_handle, __global_base, __heap_base, __wasm_call_ctors, add, memory }
+{ add_one: [Function: 0], memory: Memory {} }
diff --git a/cli/tests/055_import_wasm_via_network.wasm b/cli/tests/055_import_wasm_via_network.wasm
old mode 100755
new mode 100644
index f3be5b237f..fb6d3e471b
Binary files a/cli/tests/055_import_wasm_via_network.wasm and b/cli/tests/055_import_wasm_via_network.wasm differ