diff --git a/Cargo.toml b/Cargo.toml
index 4bf125a..0ad0e82 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cargo-web"
-version = "0.6.26"
+version = "0.6.27"
 authors = ["Jan Bujak <j@exia.io>"]
 repository = "https://github.com/koute/cargo-web"
 homepage = "https://github.com/koute/cargo-web"
diff --git a/src/wasm_runtime_standalone.js b/src/wasm_runtime_standalone.js
index 960f8f6..0dc5d5d 100644
--- a/src/wasm_runtime_standalone.js
+++ b/src/wasm_runtime_standalone.js
@@ -25,7 +25,11 @@ if( typeof Rust === "undefined" ) {
             var wasm_instance = new WebAssembly.Instance( mod, instance.imports );
             return instance.initialize( wasm_instance );
         } else {
-            var file = fetch( "{{{wasm_filename}}}", {credentials: "same-origin"} );
+            var jsurl = new URL( document.querySelector( 'script[src$="{{{module_name}}}.js"]' ).src );
+            var jspath = jsurl.pathname;
+            var dotpos = jspath.lastIndexOf( "." );
+            var wasmpath = jspath.substr( 0, dotpos ) + ".wasm";
+            var file = fetch( wasmpath, {credentials: "same-origin"} );
 
             var wasm_instance = ( typeof WebAssembly.instantiateStreaming === "function"
                 ? WebAssembly.instantiateStreaming( file, instance.imports )