diff --git a/common/app/routes/challenges/components/step/Step.jsx b/common/app/routes/challenges/components/step/Step.jsx
index 403d7dfc78..194cca73a2 100644
--- a/common/app/routes/challenges/components/step/Step.jsx
+++ b/common/app/routes/challenges/components/step/Step.jsx
@@ -191,6 +191,7 @@ export class StepChallenge extends PureComponent {
           >
           <Image
             alt={ imgAlt }
+            className='center-block'
             responsive={ true }
             src={ imgUrl }
           />