diff --git a/src/Models/Campaign.php b/src/Models/Campaign.php
index 3ffac05d..1fa39ba0 100644
--- a/src/Models/Campaign.php
+++ b/src/Models/Campaign.php
@@ -258,7 +258,7 @@ public function getBounceRatioAttribute()
     public function getMergedContentAttribute(): ?string
     {
         if ($this->template_id) {
-            return str_replace(['{{content}}', '{{ content }}'], $this->content, $this->template->content);
+            return str_replace(['{{content}}', '{{ content }}'], $this->content ?? '', $this->template->content);
         }
 
         return $this->content;