diff --git a/src/unix/bsd/freebsdlike/freebsd/x86_64/mod.rs b/src/unix/bsd/freebsdlike/freebsd/x86_64/mod.rs
index 435faa1d26a8..e0dda21de0a9 100644
--- a/src/unix/bsd/freebsdlike/freebsd/x86_64/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/x86_64/mod.rs
@@ -243,7 +243,7 @@ cfg_if! {
                 unsafe {
                     self.a_val == other.a_val
                         || self.a_ptr == other.a_ptr
-                        || self.a_fcn == other.a_fcn
+                        || core::ptr::fn_addr_eq(self.a_fcn, other.a_fcn)
                 }
             }
         }