Index: blosc2-rs/Cargo.toml
===================================================================
--- blosc2-rs.orig/Cargo.toml
+++ blosc2-rs/Cargo.toml
@@ -63,7 +63,7 @@
 deactivate-zlib = ["blosc2-sys/deactivate-zlib"]
 deactivate-zlib-optim = ["blosc2-sys/deactivate-zlib-optim"]
 deactivate-zstd = ["blosc2-sys/deactivate-zstd"]
-default = []
+default = ["use-system-blosc2"]
 prefer-external-lz4 = ["blosc2-sys/prefer-external-lz4"]
 prefer-external-zlib = ["blosc2-sys/prefer-external-zlib"]
 prefer-external-zstd = ["blosc2-sys/prefer-external-zstd"]
