diff --git a/imagekit/forms/fields.py b/imagekit/forms/fields.py
index d032ff8..cf3ccba 100644
--- a/imagekit/forms/fields.py
+++ b/imagekit/forms/fields.py
@@ -24,6 +24,10 @@ class ProcessedImageField(ImageField, SpecHost):
 
         if data and data != initial:
             spec = self.get_spec(source=data)
-            data = generate(spec)
+            f = generate(spec)
+            # Name is required in Django 1.4. When we drop support for it
+            # then we can dirrectly return the result from `generate(spec)`
+            f.name = data.name
+            return f
 
         return data
diff --git a/imagekit/utils.py b/imagekit/utils.py
index d768f57..fcbb4d4 100644
--- a/imagekit/utils.py
+++ b/imagekit/utils.py
@@ -132,16 +132,13 @@ def generate(generator):
 
     """
     content = generator.generate()
-
-    # If the file doesn't have a name, Django will raise an Exception while
-    # trying to save it, so we create a named temporary file.
-    if not getattr(content, 'name', None):
-        f = NamedTemporaryFile()
-        f.write(content.read())
-        f.seek(0)
-        content = f
-
-    return File(content)
+    f = File(content)
+    # The size of the File must be known or Django will try to open a file
+    # without a name and raise an Exception.
+    f.size = len(content.read())
+    # After getting the size reset the file pointer for future reads.
+    content.seek(0)
+    return f
 
 
 def call_strategy_method(file, method_name):
diff --git a/tests/settings.py b/tests/settings.py
index 0c51989..dc3bb3c 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -47,6 +47,23 @@ NOSE_ARGS = [
 if os.getenv('TERM'):
     NOSE_ARGS.append('--with-progressive')
 
-DEBUG = True
-TEMPLATE_DEBUG = DEBUG
 CACHE_BACKEND = 'locmem://'
+
+# Django >= 1.8
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.contrib.auth.context_processors.auth',
+                'django.template.context_processors.debug',
+                'django.template.context_processors.i18n',
+                'django.template.context_processors.media',
+                'django.template.context_processors.static',
+                'django.template.context_processors.tz',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
diff --git a/tox.ini b/tox.ini
index 673927b..a76af7b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,13 +1,19 @@
 [tox]
 envlist =
-    py35-django19, py35-django18,
-    py34-django19, py34-django18, py34-django17, py34-django16,
+    py35-django110, py35-django19, py35-django18,
+    py34-django110, py34-django19, py34-django18, py34-django17, py34-django16,
     py33-django18, py33-django17, py33-django16, py33-django15,
-    py27-django19, py27-django18, py27-django17, py27-django16, py27-django15, py27-django14,
+    py27-django110, py27-django19, py27-django18, py27-django17, py27-django16, py27-django15, py27-django14,
 
 [testenv]
 commands = python setup.py test
 
+[testenv:py35-django110]
+basepython = python3.5
+deps =
+    Django>=1.10b1,<1.11
+    django-nose==1.4.4
+
 [testenv:py35-django19]
 basepython = python3.5
 deps =
@@ -20,6 +26,12 @@ deps =
     Django>=1.8,<1.9
     django-nose==1.4.2
 
+[testenv:py34-django110]
+basepython = python3.4
+deps =
+    Django>=1.10b1,<1.11
+    django-nose==1.4.4
+
 [testenv:py34-django19]
 basepython = python3.4
 deps =
@@ -42,6 +54,7 @@ deps =
 basepython = python3.4
 deps =
     Django>=1.6,<1.7
+    django-nose<=1.4.2
 
 [testenv:py33-django18]
 basepython = python3.3
@@ -59,11 +72,19 @@ deps =
 basepython = python3.3
 deps =
     Django>=1.6,<1.7
+    django-nose<=1.4.2
 
 [testenv:py33-django15]
 basepython = python3.3
 deps =
     Django>=1.5,<1.6
+    django-nose==1.4
+
+[testenv:py27-django110]
+basepython = python2.7
+deps =
+    Django>=1.10b1,<1.11
+    django-nose==1.4.4
 
 [testenv:py27-django19]
 basepython = python2.7
@@ -87,13 +108,16 @@ deps =
 basepython = python2.7
 deps =
     Django>=1.6,<1.7
+    django-nose<=1.4.2
 
 [testenv:py27-django15]
 basepython = python2.7
 deps =
     Django>=1.5,<1.6
+    django-nose==1.4
 
 [testenv:py27-django14]
 basepython = python2.7
 deps =
     Django>=1.4,<1.5
+    django-nose==1.4