diff --git a/YSFConvolution.cpp b/YSFConvolution.cpp
index a8afa0b..23b117e 100644
--- a/YSFConvolution.cpp
+++ b/YSFConvolution.cpp
@@ -30,6 +30,11 @@ const unsigned char BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U
 const uint8_t BRANCH_TABLE1[] = {0U, 0U, 0U, 0U, 1U, 1U, 1U, 1U};
 const uint8_t BRANCH_TABLE2[] = {0U, 1U, 1U, 0U, 0U, 1U, 1U, 0U};
 
+const unsigned int NUM_OF_STATES_D2 = 8U;
+const unsigned int NUM_OF_STATES = 16U;
+const uint32_t     M = 2U;
+const unsigned int K = 5U;
+
 CYSFConvolution::CYSFConvolution() :
 m_metrics1(NULL),
 m_metrics2(NULL),
@@ -50,11 +55,6 @@ CYSFConvolution::~CYSFConvolution()
 	delete[] m_decisions;
 }
 
-const unsigned int NUM_OF_STATES_D2 = 8U;
-const unsigned int NUM_OF_STATES = 16U;
-const uint32_t     M = 3U;
-const unsigned int K = 5U;
-
 void CYSFConvolution::start()
 {
 	::memset(m_metrics1, 0x00U, NUM_OF_STATES * sizeof(uint16_t));