diff --git a/src/app/components/tree/tree.ts b/src/app/components/tree/tree.ts
index 8a69c548c94..4c07d023474 100755
--- a/src/app/components/tree/tree.ts
+++ b/src/app/components/tree/tree.ts
@@ -1248,7 +1248,10 @@ export class Tree implements OnInit, AfterContentInit, OnChanges, OnDestroy, Blo
             return;
         } else if (this.selectionMode) {
             if (node.selectable === false) {
+                node.style = '--p-focus-ring-color: none;';
                 return;
+            } else {
+                node.style = '--p-focus-ring-color: var(--primary-color)';
             }
 
             if (this.hasFilteredNodes()) {