diff --git a/res/css/structures/_LeftPanel.scss b/res/css/structures/_LeftPanel.scss
index 19b8907a28..8ea41d7740 100644
--- a/res/css/structures/_LeftPanel.scss
+++ b/res/css/structures/_LeftPanel.scss
@@ -136,7 +136,7 @@ limitations under the License.
 }
 
 .mx_LeftPanel_explore {
-    flex: 0 0 40%;
+    flex: 0 0 50%;
     overflow: hidden;
     transition: flex-basis 0.2s;
     box-sizing: border-box;