diff --git a/code/fgame/actor.cpp b/code/fgame/actor.cpp
index 2b064af6..9f3b9794 100644
--- a/code/fgame/actor.cpp
+++ b/code/fgame/actor.cpp
@@ -2993,6 +2993,7 @@ Actor::Actor()
     //  The variable isn't set in original
     //
     m_bSilent = false;
+    m_bMumble = true;
 }
 
 /*