diff --git a/lib/Makefile b/lib/Makefile
index 50348915a..9bf83f1a1 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -51,7 +51,7 @@ FLAGS   = $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(MOREFLAGS)
 LIBDIR ?= $(PREFIX)/lib
 INCLUDEDIR=$(PREFIX)/include
 
-ZSTD_FILES := zstd_compress.c zstd_decompress.c fse.c huff0.c zdict.c divsufsort.c
+ZSTD_FILES := zstd_compress.c zstd_decompress.c fse.c huff0.c zbuff.c zdict.c divsufsort.c
 ZSTD_LEGACY:= legacy/zstd_v01.c legacy/zstd_v02.c legacy/zstd_v03.c legacy/zstd_v04.c legacy/zstd_v05.c
 
 ifeq ($(ZSTD_LEGACY_SUPPORT), 0)