diff --git a/src/cmsplugin_blurp/models.py b/src/cmsplugin_blurp/models.py
index 59109ab..33c78c8 100644
--- a/src/cmsplugin_blurp/models.py
+++ b/src/cmsplugin_blurp/models.py
@@ -1,22 +1,26 @@
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
-from cms.models import CMSPlugin
+try:
+    from cms.models import CMSPlugin
+except ImportError:
+    CMSPlugin = None
 
 from . import utils
 
-class PluginRenderer(CMSPlugin):
-    __renderer = None
+if CMSPlugin:
+    class PluginRenderer(CMSPlugin):
+        __renderer = None
 
-    name = models.CharField(verbose_name=_('name'),
-            choices=utils.renderers_choices(),
-            max_length=256)
+        name = models.CharField(verbose_name=_('name'),
+                choices=utils.renderers_choices(),
+                max_length=256)
 
-    def get_renderer(self):
-        if self.__renderer is None:
-            self.__renderer = utils.resolve_renderer(self.name)
-        return self.__renderer
+        def get_renderer(self):
+            if self.__renderer is None:
+                self.__renderer = utils.resolve_renderer(self.name)
+            return self.__renderer
 
-    def __unicode__(self):
-        return utils.renderer_description(self.get_renderer()) or self.name
+        def __unicode__(self):
+            return utils.renderer_description(self.get_renderer()) or self.name