diff --git a/index.js b/index.js
index 987102b..5340341 100644
--- a/index.js
+++ b/index.js
@@ -39,17 +39,15 @@ class RustPlugin {
     this.serverless.service.package.excludeDevDependencies = false;
   }
 
-  runDocker(funcArgs, cargoPackage) {
+  runDocker(funcArgs, cargoPackage, binary) {
     const defaultArgs = [
-      "run",
-      "--rm",
-      "-t",
-      `-v`,
-      `${this.servicePath}:/code`,
-      `-v`,
-      `${process.env["HOME"]}/.cargo/registry:/root/.cargo/registry`,
-      `-v`,
-      `${process.env["HOME"]}/.cargo/git:/root/.cargo/git`
+      'run',
+      '--rm',
+      '-t',
+      '-e', `BIN=${binary}`,
+      `-v`, `${this.servicePath}:/code`,
+      `-v`, `${process.env['HOME']}/.cargo/registry:/root/.cargo/registry`,
+      `-v`, `${process.env['HOME']}/.cargo/git:/root/.cargo/git`,
     ];
     const customArgs = [];
     let cargoFlags = (funcArgs || {}).cargoFlags || this.custom.cargoFlags;
@@ -99,7 +97,7 @@ class RustPlugin {
         binary = cargoPackage;
       }
       this.serverless.cli.log(`Building native Rust ${func.handler} func...`);
-      const res = this.runDocker(func.rust, cargoPackage);
+      const res = this.runDocker(func.rust, cargoPackage, binary);
       if (res.error || res.status > 0) {
         this.serverless.cli.log(
           `Dockerized Rust build encountered an error: ${res.error} ${