diff --git a/lib/ipc/server.c b/lib/ipc/server.c
index 245f2e3c5..d53a1eddf 100644
--- a/lib/ipc/server.c
+++ b/lib/ipc/server.c
@@ -525,7 +525,7 @@ update_client_creds(struct client *c)
 	}
     }
 #endif
-#ifdef SO_PEERCRED
+#if defined(SO_PEERCRED) && defined(__linux__)
     /* Linux */
     {
 	struct ucred pc;