diff --git a/disco/api/client.py b/disco/api/client.py
index 0aae49e..9fef7ef 100644
--- a/disco/api/client.py
+++ b/disco/api/client.py
@@ -191,7 +191,7 @@ class APIClient(LoggingClass):
     def channels_messages_modify(self, channel, message, content=None, embed=None, sanitize=False):
         payload = {}
 
-        if content:
+        if content is not None:
             if sanitize:
                 content = S(content)
             payload['content'] = content