diff --git a/dashboard/src/views/AppsView.vue b/dashboard/src/views/AppsView.vue
index 432c91355..ca9fd2a9f 100644
--- a/dashboard/src/views/AppsView.vue
+++ b/dashboard/src/views/AppsView.vue
@@ -246,7 +246,7 @@ function setItemWidth() {
     itemWidth.value = '100%';
     itemSpacing.value = '10px';
   } else if (width <= 550) {
-    itemWidth.value = Number((width-gap*2)/2).toFixed();
+    itemWidth.value = Math.floor((width-gap*2)/2) + 'px';
     itemSpacing.value = '10px';
   } else {
     itemWidth.value = '190px';