diff --git a/go.mod b/go.mod
index 3426c87..f93ccb8 100644
--- a/go.mod
+++ b/go.mod
@@ -8,8 +8,8 @@ require (
 	github.com/Xuanwo/go-locale v1.0.0
 	github.com/alecthomas/chroma v0.7.3
 	github.com/diamondburned/cchat v0.3.11
-	github.com/diamondburned/cchat-discord v0.0.0-20201027213927-37165658e17c
-	github.com/diamondburned/cchat-mock v0.0.0-20201027204251-4f6dfbfc2424
+	github.com/diamondburned/cchat-discord v0.0.0-20201106061452-fc795ef7b6a5
+	github.com/diamondburned/cchat-mock v0.0.0-20201115033644-df8d1b10f9db
 	github.com/diamondburned/gspell v0.0.0-20200830182722-77e5d27d6894
 	github.com/diamondburned/handy v0.0.0-20200829011954-4667e7a918f4
 	github.com/diamondburned/imgutil v0.0.0-20200710174014-8a3be144a972
diff --git a/go.sum b/go.sum
index f00c92e..3731640 100644
--- a/go.sum
+++ b/go.sum
@@ -48,6 +48,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/diamondburned/aqs v0.0.0-20200704043812-99b676ee44eb h1:Ja/niwykeFoSkYxdRRzM8QUAuCswfLmaiBTd2UIU+54=
 github.com/diamondburned/aqs v0.0.0-20200704043812-99b676ee44eb/go.mod h1:q1MbMBfZrv7xqV8n7LgMwhHs3oBbNwWJes8exs2AmDs=
+github.com/diamondburned/aqs v0.0.0-20201115033607-76f603ff676a h1:XqKaACqS5vdKzbt0jaTcKfRgpjyjZ7xAXniAALUjElw=
+github.com/diamondburned/aqs v0.0.0-20201115033607-76f603ff676a/go.mod h1:q1MbMBfZrv7xqV8n7LgMwhHs3oBbNwWJes8exs2AmDs=
 github.com/diamondburned/arikawa v0.12.4 h1:lhWJqcGkIIMiOYWdsoEuGlri2UbMkzMeh+VfuJPkXt4=
 github.com/diamondburned/arikawa v0.12.4/go.mod h1:nIhVIatzTQhPUa7NB8w4koG1RF9gYbpAr8Fj8sKq660=
 github.com/diamondburned/arikawa v1.1.6 h1:Y/ioTYipS2v/NXfcAEhCnMTzrpxDjWlkjLKKcX29n6o=
@@ -127,6 +129,8 @@ github.com/diamondburned/cchat-discord v0.0.0-20201027050455-7ce513cf68e6 h1:uJS
 github.com/diamondburned/cchat-discord v0.0.0-20201027050455-7ce513cf68e6/go.mod h1:NdURsIvOA+Sxk0QHzaRTX5dBmoRLr/K5u3vSfzrI3n4=
 github.com/diamondburned/cchat-discord v0.0.0-20201027213927-37165658e17c h1:x55N39x3lrGDrovVLR0sVyzNQzrUJsXWQfFZFNdYGi4=
 github.com/diamondburned/cchat-discord v0.0.0-20201027213927-37165658e17c/go.mod h1:utku2TVk4IrnyuwNehgaIaAvtB6l4AO5RbzF+Uii8ko=
+github.com/diamondburned/cchat-discord v0.0.0-20201106061452-fc795ef7b6a5 h1:eh565P3S2fC5609wu16ZldQAPImIVT/4E2jTk7W53Xw=
+github.com/diamondburned/cchat-discord v0.0.0-20201106061452-fc795ef7b6a5/go.mod h1:utku2TVk4IrnyuwNehgaIaAvtB6l4AO5RbzF+Uii8ko=
 github.com/diamondburned/cchat-mock v0.0.0-20200709231652-ad222ce5a74b h1:sq0MXjJc3yAOZvuolRxOpKQNvpMLyTmsECxQqdYgF5E=
 github.com/diamondburned/cchat-mock v0.0.0-20200709231652-ad222ce5a74b/go.mod h1:+bAf0m2o5qH54DmYJ/lR1HeITV53ol0JaoKyFFx3m3E=
 github.com/diamondburned/cchat-mock v0.0.0-20201004204741-b841407af381 h1:8JWNJMgoa3fL2py3gXSeC3NiAC+39EZp+JmvaoDBTUU=
@@ -143,6 +147,8 @@ github.com/diamondburned/cchat-mock v0.0.0-20201027045549-6d6056f11a5f h1:g3C5VH
 github.com/diamondburned/cchat-mock v0.0.0-20201027045549-6d6056f11a5f/go.mod h1:HwztxR71SXp2yqYPreLgWEBBVZrA/eMXMp5v7+9P5PY=
 github.com/diamondburned/cchat-mock v0.0.0-20201027204251-4f6dfbfc2424 h1:VGsH+Xq34EB1lzcHrDHgiE0/6DoeKju2N3JhfCWSqB8=
 github.com/diamondburned/cchat-mock v0.0.0-20201027204251-4f6dfbfc2424/go.mod h1:ylbEOpFJ6uPfjkw/+xpNvFfUDqkQobCJOAQwEt2AiDg=
+github.com/diamondburned/cchat-mock v0.0.0-20201115033644-df8d1b10f9db h1:VQI2PdbsdsRJ7d669kp35GbCUO44KZ0Xfqdu4o/oqVg=
+github.com/diamondburned/cchat-mock v0.0.0-20201115033644-df8d1b10f9db/go.mod h1:M87kjNzWVPlkZycFNzpGPKQXzkHNnZphuwMf3E9ckgc=
 github.com/diamondburned/gotk3 v0.0.0-20200630065217-97aeb06d705d h1:Ha/I6PMKi+B4hpWclwlXj0tUMehR7Q0TNxPczzBwzPI=
 github.com/diamondburned/gotk3 v0.0.0-20200630065217-97aeb06d705d/go.mod h1:/hqFpkNa9T3JgNAE2fLvCdov7c5bw//FHNZrZ3Uv9/Q=
 github.com/diamondburned/gotk3 v0.0.0-20200816224505-3cd69b83a48a h1:wEldljb421/Jp84RNb0zBfqmiWt/TTQzUE6R1ap6UuQ=
diff --git a/internal/ui/messages/input/input.go b/internal/ui/messages/input/input.go
index b027158..04db742 100644
--- a/internal/ui/messages/input/input.go
+++ b/internal/ui/messages/input/input.go
@@ -82,14 +82,18 @@ func (v *InputView) SetMessenger(session cchat.Session, messenger cchat.Messenge
 	v.Field.SetMessenger(session, messenger)
 
 	if messenger == nil {
+		v.Completer.SetCompleter(nil)
 		return
 	}
 
 	// Ignore ok; completer can be nil.
 	// TODO: this is possibly racy vs the above SetMessenger.
+	var completer cchat.Completer
 	if sender := messenger.AsSender(); sender != nil {
-		v.Completer.SetCompleter(sender.AsCompleter())
+		completer = sender.AsCompleter()
 	}
+
+	v.Completer.SetCompleter(completer)
 }
 
 // wrapSpellCheck is a no-op but is replaced by gspell in ./spellcheck.go.