diff --git a/lib/index.js b/lib/index.js
index cdaf322..b769b7d 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -85,8 +85,8 @@ export default class Now extends EventEmitter {
         throw e;
       }
 
-      if (!docker.some((cmd) => 'RUN' === cmd.name || 'CMD' === cmd.name)) {
-        const e = Error('No `RUN` or `CMD` found in `Dockerfile`. ' +
+      if (!docker.some((cmd) => 'CMD' === cmd.name)) {
+        const e = Error('No `CMD` found in `Dockerfile`. ' +
           'See: https://docs.docker.com/engine/reference/builder/#/run');
         e.userError = true;
         throw e;