diff --git a/draftbot/draftbot_test.go b/draftbot/draftbot_test.go
index 871cd94..500f900 100644
--- a/draftbot/draftbot_test.go
+++ b/draftbot/draftbot_test.go
@@ -21,8 +21,8 @@ type MockServer struct {
 }
 
 func makeMockServer() *MockServer {
-	in := make(chan room.ServerMessage)
-	out := make(chan room.BotMessage)
+	in := make(chan room.ServerMessage, 99)
+	out := make(chan room.BotMessage, 99)
 	srv := &MockServer{
 		in:  in,
 		out: out,