diff --git a/afsk/main.c b/afsk/main.c
index 497c981b..bd697609 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -1208,7 +1208,7 @@ else {
 
 
 
-    if (payload == ON) {
+    if (payload == -55) {  // ON
       STEMBoardFailure = 0;
 
       char c;