diff --git a/.buildkite/pipeline.yaml b/.buildkite/pipeline.yaml
index f5f63b647a..1e08d2cd3b 100644
--- a/.buildkite/pipeline.yaml
+++ b/.buildkite/pipeline.yaml
@@ -25,6 +25,14 @@ steps:
     plugins:
       - docker#v3.0.1:
           image: "node:12"
+  - label: ":stylelint: Style Lint"
+    command:
+      - "echo '--- Install'"
+      - "yarn install --ignore-scripts"
+      - "yarn lint:style"
+    plugins:
+      - docker#v3.0.1:
+          image: "node:12"
 
   - label: ":jest: Tests"
     agents:
diff --git a/res/css/views/rooms/_RoomHeader.scss b/res/css/views/rooms/_RoomHeader.scss
index 0ac2e99b97..6f0377b29c 100644
--- a/res/css/views/rooms/_RoomHeader.scss
+++ b/res/css/views/rooms/_RoomHeader.scss
@@ -24,7 +24,7 @@ limitations under the License.
         bottom: -1px;
         right: -2px;
         height: 10px;
-        width: 10px
+        width: 10px;
     }
 }