diff --git a/src/assets/RustAsset.js b/src/assets/RustAsset.js
index 647e6b0cb42..f66d3a4fe71 100644
--- a/src/assets/RustAsset.js
+++ b/src/assets/RustAsset.js
@@ -153,7 +153,9 @@ class RustAsset extends Asset {
 
     // Get output file paths
     let outDir = path.join(cargoDir, 'target', RUST_TARGET, 'release');
-    let rustName = cargoConfig.package.name;
+
+    // Rust converts '-' to '_' when outputting files.
+    let rustName = cargoConfig.package.name.replace(/-/g, '_');
     this.wasmPath = path.join(outDir, rustName + '.wasm');
     this.depsPath = path.join(outDir, rustName + '.d');
   }
diff --git a/test/integration/rust-cargo/Cargo.toml b/test/integration/rust-cargo/Cargo.toml
index 49f0c68271c..a567d9c7077 100644
--- a/test/integration/rust-cargo/Cargo.toml
+++ b/test/integration/rust-cargo/Cargo.toml
@@ -1,9 +1,9 @@
 [package]
-name = "cargo"
+name = "cargo-test"
 version = "0.1.0"
 authors = ["josealbizures <albizures3601@gmail.com>"]
 
 [dependencies]
 
 [lib]
-crate-type = ["cdylib"]
\ No newline at end of file
+crate-type = ["cdylib"]