diff --git a/common/utility.cpp b/common/utility.cpp
index f7b0fb3..f08e028 100755
--- a/common/utility.cpp
+++ b/common/utility.cpp
@@ -258,6 +258,7 @@ USTATUS decompress(const UByteArray & compressedData, const UINT8 compressionTyp
 
         // Decompress section data
         if (U_SUCCESS != LzmaDecompress(data, dataSize, decompressed)) {
+            free(decompressed);
             return U_CUSTOMIZED_DECOMPRESSION_FAILED;
         }