diff --git a/lib/compress/zstdmt_compress.c b/lib/compress/zstdmt_compress.c
index b15bf05af..a653704ab 100644
--- a/lib/compress/zstdmt_compress.c
+++ b/lib/compress/zstdmt_compress.c
@@ -10,7 +10,7 @@
 
 
 /* ======   Tuning parameters   ====== */
-#define ZSTDMT_NBTHREADS_MAX 256
+#define ZSTDMT_NBTHREADS_MAX 200
 #define ZSTDMT_OVERLAPLOG_DEFAULT 6