Index: trunk/BNC/src/RTCM3/RTCM3Decoder.cpp
===================================================================
--- trunk/BNC/src/RTCM3/RTCM3Decoder.cpp	(revision 11057)
+++ trunk/BNC/src/RTCM3/RTCM3Decoder.cpp	(revision 11084)
@@ -2435,5 +2435,5 @@
       }
       else {
-        _NeedBytes = _BlockSize;
+        _NeedBytes = _BlockSize + 6; // never 0, also for a zero length field
         break;
       }