diff --git a/xmpp_discord_bridge/main.py b/xmpp_discord_bridge/main.py
index 65d2c8e..1f702c3 100644
--- a/xmpp_discord_bridge/main.py
+++ b/xmpp_discord_bridge/main.py
@@ -262,7 +262,10 @@ class BridgeComponent(ComponentXMPP):
             }]
             
         requests.post(self._webhooks[muc],
-                      data=webhook)
+                      data=webhook,
+                      headers={
+                          "Content-Type": "application/json"
+                      })
 
     def virtual_user_update_presence(self, muc, uid, pshow, pstatus=None):
         """