diff --git a/src/open9x.cpp b/src/open9x.cpp
index 9e6dd4e53..ab79d97db 100644
--- a/src/open9x.cpp
+++ b/src/open9x.cpp
@@ -2322,6 +2322,8 @@ void perOut(uint8_t mode, uint8_t tick10ms)
   }
 #endif
 
+  memclear(chans, sizeof(chans));        // All outputs to 0
+  
   //========== MIXER LOOP ===============
   uint8_t lv_mixWarning = 0;