diff --git a/photologue/models.py b/photologue/models.py
index 29054bb..a92077f 100644
--- a/photologue/models.py
+++ b/photologue/models.py
@@ -263,6 +263,8 @@ class ImageModel(models.Model):
         return os.path.join(os.path.dirname(self.image.name), "cache")
 
     def cache_url(self):
+        if not self.image:
+            return ""
         return "/".join([os.path.dirname(self.image.url), "cache"])
 
     def image_filename(self):