diff --git a/packages/shared-components/src/room/timeline/event-tile/body/ViewSourceEventView/ViewSourceEventView.module.css b/packages/shared-components/src/room/timeline/event-tile/body/ViewSourceEventView/ViewSourceEventView.module.css
index abaf8b6144..4789691b5f 100644
--- a/packages/shared-components/src/room/timeline/event-tile/body/ViewSourceEventView/ViewSourceEventView.module.css
+++ b/packages/shared-components/src/room/timeline/event-tile/body/ViewSourceEventView/ViewSourceEventView.module.css
@@ -12,12 +12,12 @@ Please see LICENSE files in the repository root for full details.
     color: var(--cpd-color-text-secondary);
     font-size: var(--cpd-font-size-body-xs);
     width: 100%;
-    overflow-x: auto;
     line-height: normal;
 }
 
 .source {
     flex: 1;
+    overflow-inline: auto;
 }
 
 pre.source {