diff --git a/DMRDMOTX.cpp b/DMRDMOTX.cpp
index bd9752d..8dcccb0 100644
--- a/DMRDMOTX.cpp
+++ b/DMRDMOTX.cpp
@@ -55,7 +55,7 @@ const uint8_t BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02
 #define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7])
 #define READ_BIT1(p,i)    (p[(i)>>3] & BIT_MASK_TABLE[(i)&7])
 
-const uint8_t DMR_SYNC = 0x77U;
+const uint8_t DMR_SYNC = 0x5FU;
 
 CDMRDMOTX::CDMRDMOTX() :
 m_fifo(),