diff --git a/app/Console/Commands/CountVotes.php b/app/Console/Commands/CountVotes.php
index c15ce68..af0c549 100755
--- a/app/Console/Commands/CountVotes.php
+++ b/app/Console/Commands/CountVotes.php
@@ -108,8 +108,7 @@ class CountVotes extends Command
                 if ($pollResult) {
                     $this->info('✓ Dispatched promotion event for applicant '.$application->user->name);
                     if (! $this->option('dryrun')) {
-                        $application->response->vacancy->vacancyCount -= 1;
-                        $application->response->vacancy->save();
+                        $application->response->vacancy->decrease();
 
                         event(new ApplicationApprovedEvent(Application::find($application->id)));
                     } else {
diff --git a/app/Listeners/PromoteUser.php b/app/Listeners/PromoteUser.php
index a3ca047..4b046a5 100755
--- a/app/Listeners/PromoteUser.php
+++ b/app/Listeners/PromoteUser.php
@@ -47,6 +47,7 @@ class PromoteUser
     public function handle(ApplicationApprovedEvent $event)
     {
         $event->application->setStatus('APPROVED');
+        $event->application->response->vacancy->decrease();
 
         $staffProfile = StaffProfile::create([
             'userID' => $event->application->user->id,
diff --git a/app/Vacancy.php b/app/Vacancy.php
index 0829a4e..0223f06 100755
--- a/app/Vacancy.php
+++ b/app/Vacancy.php
@@ -89,6 +89,21 @@ class Vacancy extends Model
         Log::warning('Vacancies: Vacancy '.$this->id.' ('.$this->vacancyName.') closed by '.Auth::user()->name);
     }
 
+    public function decrease()
+    {
+        if ($this->vacancyCount !== 0)
+        {
+            $this->update([
+                'vacancyCount' => $this->vacancyCount - 1
+            ]);
+
+            Log::info('Vacancies: Decreased vacancy slots by one.', [
+                'vacancyId' => $this->id,
+                'vacancyName' => $this->vacancyName
+            ]);
+        }
+    }
+
     /**
      * Check if the Modal is attached to the $checkingTeam Model.
      *