diff --git a/components/lib/panel/Panel.d.ts b/components/lib/panel/Panel.d.ts
index 33ae5d903..ae53ca3d1 100755
--- a/components/lib/panel/Panel.d.ts
+++ b/components/lib/panel/Panel.d.ts
@@ -146,7 +146,7 @@ export interface PanelSlots {
         /**
          * Current id state as a string
          */
-        id: boolean;
+        id: string;
         /**
          * Style class of the icon
          */