diff --git a/lib/compress/zstd_lazy.c b/lib/compress/zstd_lazy.c
index d897832ba..5e9a06b9e 100644
--- a/lib/compress/zstd_lazy.c
+++ b/lib/compress/zstd_lazy.c
@@ -982,6 +982,7 @@ FORCE_INLINE_TEMPLATE U32
 ZSTD_row_matchMaskGroupWidth(const U32 rowEntries) {
   assert((rowEntries == 16) || (rowEntries == 32) || rowEntries == 64);
   assert(rowEntries <= ZSTD_ROW_HASH_MAX_ENTRIES);
+  (void)rowEntries;
 #if defined(ZSTD_ARCH_ARM_NEON)
   if (rowEntries == 16) {
     return 4;