diff --git a/config b/config
index 9fe19f2c..96ce4e01 100755
--- a/config
+++ b/config
@@ -922,7 +922,7 @@ elif [ "$1" = "-A" ]; then
 				;;
 			2)
 				echo "Mode 2 is FSK"
-				STRING="KU2Y-1>APCSS:MODE=a"
+				STRING="KU2Y-1>APCSS:MODE=f"
 				;;
 			3)
 				echo "Mode 3 is BPSK"