diff --git a/MMDVM.ini b/MMDVM.ini
index 5c1f4c1..4ac7d8d 100644
--- a/MMDVM.ini
+++ b/MMDVM.ini
@@ -107,7 +107,7 @@ DumpTAData=1
 CallHang=3
 TXHang=4
 # ModeHang=10
-OVCM=1
+# OVCM=0
 
 [System Fusion]
 Enable=1