diff --git a/src/core/loopback-setup.c b/src/core/loopback-setup.c
index 98fc04dd2..ab6335c0c 100644
--- a/src/core/loopback-setup.c
+++ b/src/core/loopback-setup.c
@@ -64,7 +64,7 @@ static int check_loopback(void) {
                 struct sockaddr_in in;
         } sa = {
                 .in.sin_family = AF_INET,
-                .in.sin_addr.s_addr = INADDR_LOOPBACK,
+                .in.sin_addr.s_addr = htonl(INADDR_LOOPBACK),
         };
 
         /* If we failed to set up the loop back device, check whether