diff --git a/sgx-catapult.rb b/sgx-catapult.rb
index ee452fd31e865ad56dbc2633f9e414df0a080284..e8233e08a3f79ede1a75e62d3a72049c138a315b 100755
--- a/sgx-catapult.rb
+++ b/sgx-catapult.rb
@@ -1095,7 +1095,7 @@ class WebhookHandler < Goliath::API
 
 			msg = Blather::Stanza::Message.new(bare_jid, text)
 		else # per prior switch, this is:  params['direction'] == 'out'
-			tag_parts = params['tag'].split(' ', 2)
+			tag_parts = params['tag'].split(/ /, 2)
 			id = WEBrick::HTTPUtils.unescape(tag_parts[0])
 			resourcepart = WEBrick::HTTPUtils.unescape(tag_parts[1])