diff --git a/core/modules/workspaces/src/WorkspaceManager.php b/core/modules/workspaces/src/WorkspaceManager.php
index fb609f1..1052717 100644
--- a/core/modules/workspaces/src/WorkspaceManager.php
+++ b/core/modules/workspaces/src/WorkspaceManager.php
@@ -212,10 +212,10 @@ public function executeInWorkspace($workspace_id, callable $function) {
 
     $previous_active_workspace = $this->getActiveWorkspace();
     $this->setActiveWorkspace($workspace, FALSE);
-    $function();
+    $result = $function();
     $this->setActiveWorkspace($previous_active_workspace, FALSE);
 
-    return $this;
+    return $result;
   }
 
   /**
diff --git a/core/modules/workspaces/src/WorkspaceManagerInterface.php b/core/modules/workspaces/src/WorkspaceManagerInterface.php
index 7cc3494..b7a7339 100644
--- a/core/modules/workspaces/src/WorkspaceManagerInterface.php
+++ b/core/modules/workspaces/src/WorkspaceManagerInterface.php
@@ -60,7 +60,8 @@ public function setActiveWorkspace(WorkspaceInterface $workspace, $persist = TRU
    * @param callable $function
    *   The callback to be executed.
    *
-   * @return $this
+   * @return mixed
+   *   The callable's return value.
    */
   public function executeInWorkspace($workspace_id, callable $function);