diff --git a/libs/protoutil/src/ProtoFileReader.cpp b/libs/protoutil/src/ProtoFileReader.cpp
index 074170a6e2c33..4017979fd4fc2 100644
--- a/libs/protoutil/src/ProtoFileReader.cpp
+++ b/libs/protoutil/src/ProtoFileReader.cpp
@@ -55,6 +55,7 @@ ProtoFileReader::ProtoFileReader(int fd)
          mSize(get_file_size(fd)),
          mPos(0),
          mOffset(0),
+         mMaxOffset(0),
          mChunkSize(sizeof(mBuffer)) {
 }