diff --git a/src/Compression/CompressionCodecDeflateQpl.cpp b/src/Compression/CompressionCodecDeflateQpl.cpp
index 60efbd96f8f..7da79b5f90d 100644
--- a/src/Compression/CompressionCodecDeflateQpl.cpp
+++ b/src/Compression/CompressionCodecDeflateQpl.cpp
@@ -382,6 +382,9 @@ UInt32 CompressionCodecDeflateQpl::getMaxCompressedDataSize(UInt32 uncompressed_
 
 UInt32 CompressionCodecDeflateQpl::doCompressData(const char * source, UInt32 source_size, char * dest) const
 {
+#if defined(MEMORY_SANITIZER)
+    memset(dest, 0 , getMaxCompressedDataSize(source_size));
+#endif
     Int32 res = HardwareCodecDeflateQpl::RET_ERROR;
     if (DeflateQplJobHWPool::instance().isJobPoolReady())
         res = hw_codec->doCompressData(source, source_size, dest, getMaxCompressedDataSize(source_size));
@@ -392,6 +395,9 @@ UInt32 CompressionCodecDeflateQpl::doCompressData(const char * source, UInt32 so
 
 void CompressionCodecDeflateQpl::doDecompressData(const char * source, UInt32 source_size, char * dest, UInt32 uncompressed_size) const
 {
+#if defined(MEMORY_SANITIZER)
+    memset(dest, 0 , uncompressed_size);
+#endif
     switch (getDecompressMode())
     {
         case CodecMode::Synchronous: