3 files changed, 4 insertions, 3 deletions

diff --git a/eventmq/__init__.py b/eventmq/__init__.py
index 1e7a310..e512d7a 100644
--- a/eventmq/__init__.py
+++ b/eventmq/__init__.py
@@ -1,5 +1,5 @@
 __author__ = 'EventMQ Contributors'
-__version__ = '0.2.3.3'
+__version__ = '0.2.3.4'
 
 PROTOCOL_VERSION = 'eMQP/1.0'
 
diff --git a/eventmq/client/messages.py b/eventmq/client/messages.py
index a6de21a..951987e 100644
--- a/eventmq/client/messages.py
+++ b/eventmq/client/messages.py
@@ -62,7 +62,8 @@ def schedule(socket, func, interval_secs=None, args=(), kwargs=None,
                      'scheduling interval jobs')
         return
 
-    if (interval_secs and cron) or (not interval_secs and not cron):
+    if not unschedule and \
+       ((interval_secs and cron) or (not interval_secs and not cron)):
         logger.error('You must sepcify either `interval_secs` or `cron`, '
                      'but not both (or neither)')
         return
diff --git a/setup.py b/setup.py
index df9b6bf..33311a5 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ from setuptools import setup, find_packages
 
 setup(
     name='eventmq',
-    version='0.2.3.3',
+    version='0.2.3.4',
     description='EventMQ messaging system based on ZeroMQ',
     packages=find_packages(),
     install_requires=['pyzmq==14.6.0',