diff --git a/src/components/table/helpers/mixin-selectable.js b/src/components/table/helpers/mixin-selectable.js
index b30806497aa..5629caf4fcc 100644
--- a/src/components/table/helpers/mixin-selectable.js
+++ b/src/components/table/helpers/mixin-selectable.js
@@ -231,7 +231,7 @@ export const selectableMixin = Vue.extend({
             selectedRows = []
             selected = true
           }
-          this.selectedLastRow = selected ? index : -1
+          if (selected) this.selectedLastRow = index
         }
       }
       selectedRows[index] = selected