Also extend collector.

app/Helpers/Collector/JournalCollector.php

@@ -98,12 +98,9 @@ class JournalCollector implements JournalCollectorInterface
 
     /**
      * JournalCollector constructor.
-     *
-     * @param User $user
      */
-    public function __construct(User $user)
+    public function __construct()
     {
-        $this->user  = $user;
         $this->query = $this->startQuery();
     }
 
@@ -456,6 +453,14 @@ class JournalCollector implements JournalCollectorInterface
         return $this;
     }
 
+    /**
+     * @param User $user
+     */
+    public function setUser(User $user)
+    {
+        $this->user = $user;
+    }
+
     /**
      * @return JournalCollectorInterface
      */

app/Helpers/Collector/JournalCollectorInterface.php

@@ -17,6 +17,7 @@ use Carbon\Carbon;
 use FireflyIII\Models\Budget;
 use FireflyIII\Models\Category;
 use FireflyIII\Models\Tag;
+use FireflyIII\User;
 use Illuminate\Pagination\LengthAwarePaginator;
 use Illuminate\Support\Collection;
 
@@ -84,7 +85,6 @@ interface JournalCollectorInterface
      */
     public function setBudget(Budget $budget): JournalCollectorInterface;
 
-
     /**
      * @param Collection $budgets
      *
@@ -149,6 +149,8 @@ interface JournalCollectorInterface
      */
     public function setTypes(array $types): JournalCollectorInterface;
 
+    public function setUser(User $user);
+
     /**
      * @return JournalCollectorInterface
      */