diff --git a/Conf.cpp b/Conf.cpp
index 1663d48..c964b61 100644
--- a/Conf.cpp
+++ b/Conf.cpp
@@ -192,7 +192,7 @@ m_fmAckLevel(80.0F),
 m_fmTimeout(180U),
 m_fmTimeoutLevel(80.0F),
 m_fmCTCSSFrequency(88.6F),
-m_fmCTCSSThreshold(10.0F),
+m_fmCTCSSThreshold(25U),
 m_fmCTCSSLevel(5.0F),
 m_fmKerchunkTime(0U),
 m_fmHangTime(7U),
@@ -739,7 +739,7 @@ bool CConf::read()
 		else if (::strcmp(key, "CTCSSFrequency") == 0)
 			m_fmCTCSSFrequency = float(::atof(value));
 		else if (::strcmp(key, "CTCSSThreshold") == 0)
-			m_fmCTCSSThreshold = float(::atoi(value));
+			m_fmCTCSSThreshold = (unsigned int)::atoi(value);
 		else if (::strcmp(key, "CTCSSLevel") == 0)
 			m_fmCTCSSLevel = float(::atof(value));
 		else if (::strcmp(key, "KerchunkTime") == 0)
@@ -1583,7 +1583,7 @@ float CConf::getFMCTCSSFrequency() const
 	return m_fmCTCSSFrequency;
 }
 
-float CConf::getFMCTCSSThreshold() const
+unsigned int CConf::getFMCTCSSThreshold() const
 {
 	return m_fmCTCSSThreshold;
 }
diff --git a/Conf.h b/Conf.h
index af882a2..df6a581 100644
--- a/Conf.h
+++ b/Conf.h
@@ -190,7 +190,7 @@ public:
   unsigned int getFMTimeout() const;
   float        getFMTimeoutLevel() const;
   float        getFMCTCSSFrequency() const;
-  float        getFMCTCSSThreshold() const;
+  unsigned int getFMCTCSSThreshold() const;
   float        getFMCTCSSLevel() const;
   unsigned int getFMKerchunkTime() const;
   unsigned int getFMHangTime() const;
@@ -451,7 +451,7 @@ private:
   unsigned int m_fmTimeout;
   float        m_fmTimeoutLevel;
   float        m_fmCTCSSFrequency;
-  float        m_fmCTCSSThreshold;
+  unsigned int m_fmCTCSSThreshold;
   float        m_fmCTCSSLevel;
   unsigned int m_fmKerchunkTime;
   unsigned int m_fmHangTime;
diff --git a/MMDVM.ini b/MMDVM.ini
index c8a5403..b9a1220 100644
--- a/MMDVM.ini
+++ b/MMDVM.ini
@@ -160,7 +160,7 @@ AckLevel=80
 # Timeout=180
 TimeoutLevel=80
 CTCSSFrequency=88.8
-CTCSSThreshold=10
+CTCSSThreshold=25
 CTCSSLevel=5
 KerchunkTime=0
 HangTime=7
diff --git a/MMDVMHost.cpp b/MMDVMHost.cpp
index bddfd65..9246195 100644
--- a/MMDVMHost.cpp
+++ b/MMDVMHost.cpp
@@ -1226,7 +1226,7 @@ bool CMMDVMHost::createModem()
 		unsigned int timeout           = m_conf.getFMTimeout();
 		float        timeoutLevel      = m_conf.getFMTimeoutLevel();
 		float        ctcssFrequency    = m_conf.getFMCTCSSFrequency();
-		float        ctcssThreshold    = m_conf.getFMCTCSSThreshold();
+		unsigned int ctcssThreshold    = m_conf.getFMCTCSSThreshold();
 		float        ctcssLevel        = m_conf.getFMCTCSSLevel();
 		unsigned int kerchunkTime      = m_conf.getFMKerchunkTime();
 		unsigned int hangTime          = m_conf.getFMHangTime();
@@ -1250,7 +1250,7 @@ bool CMMDVMHost::createModem()
 		LogInfo("    Timeout: %us", timeout);
 		LogInfo("    Timeout Level: %.1f%%", timeoutLevel);
 		LogInfo("    CTCSS Frequency: %.1fHz", ctcssFrequency);
-		LogInfo("    CTCSS Threshold: %.1f%%", ctcssThreshold);
+		LogInfo("    CTCSS Threshold: %u", ctcssThreshold);
 		LogInfo("    CTCSS Level: %.1f%%", ctcssLevel);
 		LogInfo("    Kerchunk Time: %us", kerchunkTime);
 		LogInfo("    Hang Time: %us", hangTime);
diff --git a/Modem.cpp b/Modem.cpp
index df2c9c5..f443cec 100644
--- a/Modem.cpp
+++ b/Modem.cpp
@@ -187,7 +187,7 @@ m_fmAckLevel(80.0F),
 m_fmTimeout(120U),
 m_fmTimeoutLevel(80.0F),
 m_fmCtcssFrequency(88.4F),
-m_fmCtcssThreshold(10.0F),
+m_fmCtcssThreshold(25U),
 m_fmCtcssLevel(10.0F),
 m_fmKerchunkTime(0U),
 m_fmHangTime(5U)
@@ -1903,7 +1903,7 @@ void CModem::setFMAckParams(const std::string& rfAck, unsigned int ackSpeed, uns
 	m_fmAckLevel     = ackLevel;
 }
 
-void CModem::setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, float ctcssThreshold, float ctcssLevel, unsigned int kerchunkTime, unsigned int hangTime)
+void CModem::setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssThreshold, float ctcssLevel, unsigned int kerchunkTime, unsigned int hangTime)
 {
 	m_fmTimeout      = timeout;
 	m_fmTimeoutLevel = timeoutLevel;
@@ -2040,7 +2040,7 @@ bool CModem::setFMMiscParams()
 	buffer[4U] = (unsigned char)(m_fmTimeoutLevel * 2.55F + 0.5F);
 
 	buffer[5U] = (unsigned char)m_fmCtcssFrequency;
-	buffer[6U] = (unsigned char)(m_fmCtcssThreshold * 2.55F + 0.5F);
+	buffer[6U] = m_fmCtcssThreshold;
 	buffer[7U] = (unsigned char)(m_fmCtcssLevel * 2.55F + 0.5F);
 
 	buffer[8U] = m_fmKerchunkTime;
diff --git a/Modem.h b/Modem.h
index fdca2e3..a4181cd 100644
--- a/Modem.h
+++ b/Modem.h
@@ -47,7 +47,7 @@ public:
 
 	virtual void setFMCallsignParams(const std::string& callsign, unsigned int callsignSpeed, unsigned int callsignFrequency, unsigned int callsignTime, unsigned int callsignHoldoff, float callsignLevel, bool callsignAtStart, bool callsignAtEnd);
 	virtual void setFMAckParams(const std::string& rfAck, unsigned int ackSpeed, unsigned int ackFrequency, unsigned int ackMinTime, unsigned int ackDelay, float ackLevel);
-	virtual void setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, float ctcssThreshold, float ctcssLevel, unsigned int kerchunkTime, unsigned int hangTime);
+	virtual void setFMMiscParams(unsigned int timeout, float timeoutLevel, float ctcssFrequency, unsigned int ctcssThreshold, float ctcssLevel, unsigned int kerchunkTime, unsigned int hangTime);
 
 	virtual bool open();
 
@@ -202,7 +202,7 @@ private:
 	unsigned int               m_fmTimeout;
 	float                      m_fmTimeoutLevel;
 	float                      m_fmCtcssFrequency;
-	float                      m_fmCtcssThreshold;
+	unsigned int               m_fmCtcssThreshold;
 	float                      m_fmCtcssLevel;
 	unsigned int               m_fmKerchunkTime;
 	unsigned int               m_fmHangTime;
diff --git a/Version.h b/Version.h
index 4029d27..5532a2c 100644
--- a/Version.h
+++ b/Version.h
@@ -19,6 +19,6 @@
 #if !defined(VERSION_H)
 #define	VERSION_H
 
-const char* VERSION = "20200419";
+const char* VERSION = "20200420";
 
 #endif