diff --git a/app/Models/Credit.php b/app/Models/Credit.php
index 8f942d0ea15b..aecb446a18a5 100644
--- a/app/Models/Credit.php
+++ b/app/Models/Credit.php
@@ -152,6 +152,11 @@ class Credit extends BaseModel
         return $this->hasMany(CreditInvitation::class);
     }
 
+    public function project()
+    {
+        return $this->belongsTo(Project::class)->withTrashed();
+    }
+
     /**
      * The invoice which the credit has been created from.
      */
diff --git a/app/Models/Quote.php b/app/Models/Quote.php
index d23451290ffd..9038c6ef3b62 100644
--- a/app/Models/Quote.php
+++ b/app/Models/Quote.php
@@ -149,6 +149,11 @@ class Quote extends BaseModel
         return $this->belongsTo(User::class, 'assigned_user_id', 'id')->withTrashed();
     }
 
+    public function project()
+    {
+        return $this->belongsTo(Project::class)->withTrashed();
+    }
+
     public function invitations()
     {
         return $this->hasMany(QuoteInvitation::class);