diff --git a/configure.ac b/configure.ac
index 5e34358f..5084b494 100644
--- a/configure.ac
+++ b/configure.ac
@@ -9,7 +9,7 @@ dnl major and minor must be integers; patch may
 dnl contain other characters or be empty
 m4_define(FLDIGI_MAJOR, [3])
 m4_define(FLDIGI_MINOR, [0])
-m4_define(FLDIGI_PATCH, [4AE])
+m4_define(FLDIGI_PATCH, [4AF])
 
 AC_INIT([fldigi], FLDIGI_MAJOR.FLDIGI_MINOR[FLDIGI_PATCH], [w1hkj AT w1hkj DOT com])
 
diff --git a/src/cw_rtty/rtty.cxx b/src/cw_rtty/rtty.cxx
index 8a60c800..2e990a41 100644
--- a/src/cw_rtty/rtty.cxx
+++ b/src/cw_rtty/rtty.cxx
@@ -491,7 +491,7 @@ int rtty::rx_process(const double *buf, int len)
 //				if (!progdefaults.RTTY_USB)
 //					bit = !bit;
 	
-				rxflag = rx (reverse ? bit : !bit);
+				rxflag = rx (reverse ? !bit : bit);
 
 				if (rxflag == 2) {
 					if ((metric > progStatus.sldrSquelchValue && progStatus.sqlonoff) || !progStatus.sqlonoff) {