diff --git a/Cargo.toml b/Cargo.toml
index 258a30287cfdafbbc1e850669b231fda1cbb8fe4..e5d19f0dd2c5e3db8d304dc979408f8f9c2fba95 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ lazy_static = "1.4.0"
 crate-type = ["cdylib"]
 
 [features]
-default = ["ffi", "session_optimization"]
+default = ["ffi", "session_optimization", "ffi_pseudo_socket_api"]
 ffi = [] # see src/ffi/mod.rs
 ffi_pseudo_socket_api = ["ffi", "libc", "os_socketaddr"]# see src/ffi/pseudo_socket_api.rs
 endpoint_logging = [] # see src/macros.rs