diff --git a/lib/decompress/zstd_decompress.c b/lib/decompress/zstd_decompress.c
index 32b1747c..7aeec92d 100644
--- a/lib/decompress/zstd_decompress.c
+++ b/lib/decompress/zstd_decompress.c
@@ -1987,6 +1987,7 @@ static void ZSTD_refDDict(ZSTD_DCtx* dstDCtx, const ZSTD_DDict* ddict)
 
 static size_t ZSTD_loadEntropy_inDDict(ZSTD_DDict* ddict)
 {
+    ddict->dictID = 0;
     ddict->entropyPresent = 0;
     if (ddict->dictSize < 8) return 0;
     {   U32 const magic = MEM_readLE32(ddict->dictContent);