diff --git a/resources/views/pages/association/project-support/form/[ProjectProposal:slug].blade.php b/resources/views/pages/association/project-support/form/[ProjectProposal:slug].blade.php
index 4db67ed..11f91fd 100644
--- a/resources/views/pages/association/project-support/form/[ProjectProposal:slug].blade.php
+++ b/resources/views/pages/association/project-support/form/[ProjectProposal:slug].blade.php
@@ -35,7 +35,10 @@ on([
     'nostrLoggedIn' => function ($pubkey) {
         $this->currentPubkey = $pubkey;
         $this->currentPleb = \App\Models\EinundzwanzigPleb::query()->where('pubkey', $pubkey)->first();
-        if ($this->currentPleb->id !== $this->projectProposal->einundzwanzig_pleb_id) {
+        if (
+            $this->currentPleb->id !== $this->projectProposal->einundzwanzig_pleb_id
+            || !in_array($this->currentPleb->npub, config('einundzwanzig.config.current_board'), true)
+        ) {
             return $this->js('alert("Du bist hierzu nicht berechtigt.")');
         }
         $this->isAllowed = true;