diff --git a/build/meson/lib/meson.build b/build/meson/lib/meson.build
index ef669327e..48f1e7cca 100644
--- a/build/meson/lib/meson.build
+++ b/build/meson/lib/meson.build
@@ -30,6 +30,7 @@ libzstd_sources = [join_paths(zstd_rootdir, 'lib/common/entropy_common.c'),
   join_paths(zstd_rootdir, 'lib/compress/zstd_compress.c'),
   join_paths(zstd_rootdir, 'lib/compress/zstd_compress_literals.c'),
   join_paths(zstd_rootdir, 'lib/compress/zstd_compress_sequences.c'),
+  join_paths(zstd_rootdir, 'lib/compress/zstd_cwksp.c'),
   join_paths(zstd_rootdir, 'lib/compress/zstdmt_compress.c'),
   join_paths(zstd_rootdir, 'lib/compress/zstd_fast.c'),
   join_paths(zstd_rootdir, 'lib/compress/zstd_double_fast.c'),