diff --git a/awx/api/filters.py b/awx/api/filters.py
index 655bdb503d..b196a383f0 100644
--- a/awx/api/filters.py
+++ b/awx/api/filters.py
@@ -11,6 +11,7 @@ from django.db.models import Q
 from django.db.models.fields import FieldDoesNotExist
 from django.db.models.fields.related import ForeignObjectRel, ManyToManyField
 from django.contrib.contenttypes.models import ContentType
+from django.contrib.contenttypes.fields import GenericForeignKey
 from django.utils.encoding import force_text
 
 # Django REST Framework
@@ -129,7 +130,7 @@ class FieldLookupBackend(BaseFilterBackend):
             return to_python_boolean(value, allow_none=True)
         elif isinstance(field, models.BooleanField):
             return to_python_boolean(value)
-        elif isinstance(field, (ForeignObjectRel, ManyToManyField)):
+        elif isinstance(field, (ForeignObjectRel, ManyToManyField, GenericForeignKey)):
             return self.to_python_related(value)
         else:
             return field.to_python(value)