diff --git a/beacon_chain/conf.nim b/beacon_chain/conf.nim
index d43943040..6cca45e9a 100644
--- a/beacon_chain/conf.nim
+++ b/beacon_chain/conf.nim
@@ -335,7 +335,7 @@ type
         hidden
         desc: "Enable the Yamux multiplexer"
         defaultValue: false
-        name: "enable-yamux" .}: bool
+        name: "debug-enable-yamux" .}: bool
 
       weakSubjectivityCheckpoint* {.
         desc: "Weak subjectivity checkpoint in the format block_root:epoch_number"