diff --git a/src/resizer/room.js b/src/resizer/room.js
index 1de59d6be7..692354530c 100644
--- a/src/resizer/room.js
+++ b/src/resizer/room.js
@@ -18,7 +18,7 @@ import {Sizer} from "./sizer";
 
 class RoomSizer extends Sizer {
     setItemSize(item, size) {
-        item.style.maxHeight = `${Math.round(size)}px`;
+        item.style.flexBasis = `${Math.round(size)}px`;
         item.classList.add("resized-sized");
     }
 }