diff --git a/src/Plugin/views/style/Quicktabs.php b/src/Plugin/views/style/Quicktabs.php
index d24fd66dc57304b086f072af3d58db854632ba83..32c754f3171e2516662793e53535d69bc1a77a5d 100644
--- a/src/Plugin/views/style/Quicktabs.php
+++ b/src/Plugin/views/style/Quicktabs.php
@@ -95,7 +95,7 @@ class Quicktabs extends StylePluginBase {
   /**
    * Get the set mapping.
    */
-  public function getSetMapping(): bool {
+  public function getSetMapping(): array {
     return $this->setMapping;
   }