diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c
index 67d9b310bec5..0d10fbb563fe 100644
--- a/sys/compat/linux/linux_misc.c
+++ b/sys/compat/linux/linux_misc.c
@@ -600,7 +600,7 @@ linux_mremap(struct thread *td, struct linux_mremap_args *args)
 		error = munmap(td, &bsd_args);
 	}
 
-	td->td_retval[0] = error ? 0 : (u_long)args->addr;
+	td->td_retval[0] = error ? 0 : (uintptr_t)args->addr;
 	return error;
 }