diff --git a/short_bch_code_decoder.hh b/short_bch_code_decoder.hh
index e55d66e..d9ffbac 100644
--- a/short_bch_code_decoder.hh
+++ b/short_bch_code_decoder.hh
@@ -8,7 +8,7 @@ Copyright 2020 Ahmet Inan <inan@aicodix.de>
 
 namespace CODE {
 
-template <int N, int K>
+template <int N, int K, int T>
 class ShortBCHCodeDecoder
 {
 	static const int P = N - K;
@@ -35,7 +35,7 @@ class ShortBCHCodeDecoder
 		return sum;
 	}
 public:
-	ShortBCHCodeDecoder(int generator, int T)
+	ShortBCHCodeDecoder(int generator)
 	{
 		for (int i = 0; i < W; ++i)
 			par[i] = modgen(i << P, generator);
diff --git a/tests/short_bch_code_decoder_test.cc b/tests/short_bch_code_decoder_test.cc
index 8f51a5b..1918590 100644
--- a/tests/short_bch_code_decoder_test.cc
+++ b/tests/short_bch_code_decoder_test.cc
@@ -17,7 +17,7 @@ int main()
 	if (1) {
 		// Perfect binary Golay code using x^11+x^9+x^7+x^6+x^5+x+1
 		const int N = 23, K = 12, T = 3, POLY = 0b101011100011;
-		CODE::ShortBCHCodeDecoder<N, K> decode(POLY, T);
+		CODE::ShortBCHCodeDecoder<N, K, T> decode(POLY);
 		int target = 0b10101101101111011111001;
 		int damaged = target;
 		typedef std::uniform_int_distribution<int> distribution;
@@ -30,7 +30,7 @@ int main()
 	if (1) {
 		// Perfect binary Golay code using x^11+x^10+x^6+x^5+x^4+x^2+1
 		const int N = 23, K = 12, T = 3, POLY = 0b110001110101;
-		CODE::ShortBCHCodeDecoder<N, K> decode(POLY, T);
+		CODE::ShortBCHCodeDecoder<N, K, T> decode(POLY);
 		int target = 0b10101101101100100010101;
 		int damaged = target;
 		typedef std::uniform_int_distribution<int> distribution;
@@ -43,7 +43,7 @@ int main()
 	if (1) {
 		// NASA INTRO BCH(15, 5) T=3
 		const int N = 15, K = 5, T = 3, POLY = 0b10100110111;
-		CODE::ShortBCHCodeDecoder<N, K> decode(POLY, T);
+		CODE::ShortBCHCodeDecoder<N, K, T> decode(POLY);
 		int target = 0b110010001111010;
 		int damaged = target;
 		typedef std::uniform_int_distribution<int> distribution;
diff --git a/tests/short_bch_code_regression_test.cc b/tests/short_bch_code_regression_test.cc
index ca47b9c..8ee5ac7 100644
--- a/tests/short_bch_code_regression_test.cc
+++ b/tests/short_bch_code_regression_test.cc
@@ -15,7 +15,7 @@ template <int N, int K, int T, int POLY>
 void bch_test(int trials)
 {
 	CODE::ShortBCHCodeEncoder<N, K> encode(POLY);
-	CODE::ShortBCHCodeDecoder<N, K> decode(POLY, T);
+	CODE::ShortBCHCodeDecoder<N, K, T> decode(POLY);
 	std::random_device rd;
 	typedef std::default_random_engine generator;
 	typedef std::uniform_int_distribution<int> distribution;
diff --git a/tests/soft_bch_regression_test.cc b/tests/soft_bch_regression_test.cc
index 2005c4f..14c291b 100644
--- a/tests/soft_bch_regression_test.cc
+++ b/tests/soft_bch_regression_test.cc
@@ -55,7 +55,7 @@ int popcnt(TYPE x)
 int main()
 {
 	CODE::ShortBCHCodeEncoder<CODE_LEN, DATA_LEN> encode(GEN_POLY);
-	CODE::ShortBCHCodeDecoder<CODE_LEN, DATA_LEN> decode(GEN_POLY, RADIUS_T);
+	CODE::ShortBCHCodeDecoder<CODE_LEN, DATA_LEN, RADIUS_T> decode(GEN_POLY);
 
 	std::random_device rd;
 	std::default_random_engine generator(rd());