diff --git a/lib/error_to_send.rb b/lib/error_to_send.rb
new file mode 100644
index 0000000000000000000000000000000000000000..c9d3a9dfde79cf71fd7c95f1537955d689a18724
--- /dev/null
+++ b/lib/error_to_send.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class ErrorToSend < StandardError
+	attr_reader :stanza
+
+	def initialize(stanza)
+		super(stanza.to_s)
+		@stanza = stanza
+	end
+end
diff --git a/lib/web_register_manager.rb b/lib/web_register_manager.rb
index d3006b71d261df70cc82ba3a5fe9dbb08f0b9411..167ad53654df4303556baca9db6e2783769104a5 100644
--- a/lib/web_register_manager.rb
+++ b/lib/web_register_manager.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require_relative "error_to_send"
+
 class WebRegisterManager
 	def initialize
 		@tel_map = Hash.new { ChooseTel.new }
@@ -35,7 +37,7 @@ class WebRegisterManager
 			reply.note_text =
 				"You have not chosen a phone number yet, please return to " \
 				"https://jmp.chat and choose one now."
-			EMPromise.reject(reply)
+			raise ErrorToSend, reply
 		end
 	end
 end
diff --git a/sgx_jmp.rb b/sgx_jmp.rb
index 89d7314089022463498ff0b009b66a3394efb2b5..0859cb9ea8fc04d8df73a41e5232643075458e0c 100644
--- a/sgx_jmp.rb
+++ b/sgx_jmp.rb
@@ -36,6 +36,7 @@ require_relative "lib/buy_account_credit_form"
 require_relative "lib/command_list"
 require_relative "lib/customer"
 require_relative "lib/electrum"
+require_relative "lib/error_to_send"
 require_relative "lib/em"
 require_relative "lib/payment_methods"
 require_relative "lib/registration"
@@ -379,8 +380,8 @@ command :execute?, node: "jabber:iq:register", sessionid: nil do |iq|
 			customer,
 			web_register_manager
 		).then(&:write).then { StatsD.increment("registration.completed") }
-	}.catch_only(Blather::Stanza) { |reply|
-		self << reply
+	}.catch_only(ErrorToSend) { |e|
+		self << e.stanza
 	}.catch { |e| panic(e, sentry_hub) }
 end