diff --git a/DMRTA.cpp b/DMRTA.cpp
index 72a1188..035de0d 100644
--- a/DMRTA.cpp
+++ b/DMRTA.cpp
@@ -82,7 +82,7 @@ bool CDMRTA::decodeTA()
 
 				for (unsigned int i = 0U; (i < 32U) && (t2 < taSize); i++) {
 					for (int j = 7; j >= 0; j--) {
-						c = (c << 1U) | (b[i] >> j);
+						c = (c << 1U) | ((b[i] >> j) & 1U);
 
 						if (++t1 == 7U) {
 							if (i > 0U)