diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index 90842044cf51e..8a12beb3d99fe 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -300,7 +300,7 @@ s! {
         pub dlpi_adds: ::c_ulonglong,
         pub dlpi_subs: ::c_ulonglong,
         pub dlpi_tls_modid: usize,
-        pub dlpi_tls_data: *const ::c_void,
+        pub dlpi_tls_data: *mut ::c_void,
     }
 }