diff --git a/src/Rtcp/RtcpFCI.cpp b/src/Rtcp/RtcpFCI.cpp
index 78877337..d0288acf 100644
--- a/src/Rtcp/RtcpFCI.cpp
+++ b/src/Rtcp/RtcpFCI.cpp
@@ -314,7 +314,7 @@ StatusVecChunk::StatusVecChunk(const vector<SymbolStatus> &status) {
         }
     }
     symbol_list_low = value & 0xFF;
-    symbol_list_high = (value >> 8 ) & 0x1F;
+    symbol_list_high = (value >> 8 ) & 0x3F;
 }
 
 vector<SymbolStatus> StatusVecChunk::getSymbolList() const {