diff --git a/src/components/tree/Tree.vue b/src/components/tree/Tree.vue
index d13f5cf91..6cda471ea 100755
--- a/src/components/tree/Tree.vue
+++ b/src/components/tree/Tree.vue
@@ -327,7 +327,7 @@ export default {
     min-height: 4em;
 }
 
-.p-tree-loading-mask {
+.p-tree .p-tree-loading-mask {
     position: absolute;
     z-index: 1;
     display: flex;
diff --git a/src/components/treetable/TreeTable.vue b/src/components/treetable/TreeTable.vue
index d6173392b..003c43c32 100755
--- a/src/components/treetable/TreeTable.vue
+++ b/src/components/treetable/TreeTable.vue
@@ -969,9 +969,7 @@ export default {
     display: none;
 }
 
-
-/* Loader */
-.p-treetable-loading-overlay {
+.p-treetable .p-treetable-loading-overlay {
     position: absolute;
     display: flex;
     align-items: center;