diff --git a/aircox_cms/sections.py b/aircox_cms/sections.py
index 31d11a8..908db98 100755
--- a/aircox_cms/sections.py
+++ b/aircox_cms/sections.py
@@ -25,8 +25,6 @@ from wagtail.wagtailcore.utils import camelcase_to_underscore
 from wagtail.wagtailsnippets.edit_handlers import SnippetChooserPanel
 from wagtail.wagtailsnippets.models import register_snippet
 
-from wagtail.wagtailimages.views.serve import generate_signature
-
 # tags
 from modelcluster.models import ClusterableModel
 from modelcluster.fields import ParentalKey
@@ -789,6 +787,7 @@ class SectionImage(SectionRelativeItem):
             )
 
     def get_context(self, request, page):
+        from wagtail.wagtailimages.views.serve import generate_signature
         context = super().get_context(request, page)
 
         image = self.related_attr(page, 'cover') or self.image
diff --git a/aircox_cms/utils.py b/aircox_cms/utils.py
index eec4025..e0614a6 100755
--- a/aircox_cms/utils.py
+++ b/aircox_cms/utils.py
@@ -1,9 +1,7 @@
-
 from django.core.urlresolvers import reverse
-from wagtail.wagtailimages.views.serve import generate_signature
-
 
 def image_url(image, filter_spec):
+    from wagtail.wagtailimages.views.serve import generate_signature
     signature = generate_signature(image.id, filter_spec)
     url = reverse('wagtailimages_serve', args=(signature, image.id, filter_spec))
     url += image.file.name[len('original_images/'):]