diff --git a/libMpegTPDec/src/tpdec_adts.cpp b/libMpegTPDec/src/tpdec_adts.cpp
index c45568165..934fbc8de 100644
--- a/libMpegTPDec/src/tpdec_adts.cpp
+++ b/libMpegTPDec/src/tpdec_adts.cpp
@@ -185,6 +185,9 @@ TRANSPORTDEC_ERROR adtsRead_DecodeHeader(
 #endif
 
   valBits = FDKgetValidBits(hBs);
+  if (valBits < ADTS_HEADERLENGTH) {
+    return TRANSPORTDEC_NOT_ENOUGH_BITS;
+  }
 
   /* adts_fixed_header */
   bs.mpeg_id           = FDKreadBits(hBs, Adts_Length_Id);