diff --git a/src/index.ts b/src/index.ts
index 6a853705..012c7f52 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,14 +2,16 @@ import * as core from '@actions/core';
 import Input from './input';
 import Renovate from './renovate';
 
-function run(): Promise<void> {
-  const input = new Input();
-  const renovate = new Renovate(input.configurationFile, input.token);
+async function run(): Promise<void> {
+  try {
+    const input = new Input();
+    const renovate = new Renovate(input.configurationFile, input.token);
 
-  return renovate.runDockerContainer();
+    await renovate.runDockerContainer();
+  } catch (error) {
+    console.error(error);
+    core.setFailed(error.message);
+  }
 }
 
-run().catch((error) => {
-  console.error(error);
-  core.setFailed(error.message);
-});
+run();
diff --git a/src/renovate.ts b/src/renovate.ts
index 0b427d05..c0048cb2 100644
--- a/src/renovate.ts
+++ b/src/renovate.ts
@@ -19,18 +19,17 @@ class Renovate {
     this.docker = new Docker();
   }
 
-  runDockerContainer(): Promise<void> {
+  async runDockerContainer(): Promise<void> {
     const commandArguments = [
-      'run',
       '--rm',
       `--env ${this.configFileEnv}=${this.configFileMountPath()}`,
       `--env ${this.tokenEnv}=${this.token}`,
       `--volume ${this.configFile}:${this.configFileMountPath()}`,
       this.docker.image(),
     ];
-    const command = `docker`;
-    
-    const code = exec(command, commandArguments);
+    const command = `docker run ${commandArguments.join(' ')}`;
+
+    const code = await exec(command);
     if (code !== 0) {
       new Error(`'docker run' failed with exit code ${code}.`);
     }