diff --git a/CHANGES.md b/CHANGES.md
index 3155181..b493952 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,9 @@
+### 0.3.7
+(February 26th, 2013)
+
+- Fixed bug where workers would not execute builtin functions properly.
+
+
 ### 0.3.6
 (February 18th, 2013)
 
diff --git a/rq/job.py b/rq/job.py
index a0367ee..8fc0e3b 100644
--- a/rq/job.py
+++ b/rq/job.py
@@ -78,7 +78,7 @@ class Job(object):
         if inspect.ismethod(func):
             job._instance = func.im_self
             job._func_name = func.__name__
-        elif inspect.isfunction(func):
+        elif inspect.isfunction(func) or inspect.isbuiltin(func):
             job._func_name = '%s.%s' % (func.__module__, func.__name__)
         else:  # we expect a string
             job._func_name = func