diff --git a/DMR2M17/MBEVocoder.cpp b/DMR2M17/MBEVocoder.cpp
index 8104145..8373c7b 100644
--- a/DMR2M17/MBEVocoder.cpp
+++ b/DMR2M17/MBEVocoder.cpp
@@ -31,6 +31,7 @@ MBEVocoder::MBEVocoder(void)
 	m_mbeenc = new MBEEncoder();
 	m_mbeenc->set_dmr_mode();
 	m_mbeenc->set_gain_adjust(2.5);
+	md380_init();
 }
 
 void MBEVocoder::decode_2450(int16_t *pcm, uint8_t *ambe49)
diff --git a/M172DMR/MBEVocoder.cpp b/M172DMR/MBEVocoder.cpp
index 851478c..cc5ef8d 100644
--- a/M172DMR/MBEVocoder.cpp
+++ b/M172DMR/MBEVocoder.cpp
@@ -30,6 +30,7 @@ MBEVocoder::MBEVocoder(void)
 	m_mbeenc = new MBEEncoder();
 	m_mbeenc->set_dmr_mode();
 	m_mbeenc->set_gain_adjust(2.5);
+	md380_init();
 }
 
 void MBEVocoder::decode_2450(int16_t *pcm, uint8_t *ambe49)