diff --git a/res/css/views/elements/_DesktopCapturerSourcePicker.scss b/res/css/views/elements/_DesktopCapturerSourcePicker.scss
index 49a0a44417e..bd81aafef37 100644
--- a/res/css/views/elements/_DesktopCapturerSourcePicker.scss
+++ b/res/css/views/elements/_DesktopCapturerSourcePicker.scss
@@ -35,7 +35,6 @@ limitations under the License.
     .mx_desktopCapturerSourcePicker_source_thumbnail {
         margin: 4px;
         padding: 4px;
-        width: 312px;
         border-width: 2px;
         border-radius: 8px;
         border-style: solid;
@@ -53,6 +52,5 @@ limitations under the License.
         white-space: nowrap;
         text-overflow: ellipsis;
         overflow: hidden;
-        width: 312px;
     }
 }