diff --git a/pam/src/ffi.rs b/pam/src/ffi.rs
index 5a798228..9425dc6d 100644
--- a/pam/src/ffi.rs
+++ b/pam/src/ffi.rs
@@ -30,6 +30,7 @@ pub struct pam_handle_t {
     _private: [u8; 0],
 }
 
+#[link(name = "pam")]
 unsafe extern "C" {
     /// Get the username
     pub fn pam_get_user(