diff --git a/src/core/wee-network.c b/src/core/wee-network.c
index 3e7d4e2cf..5c402b1ea 100644
--- a/src/core/wee-network.c
+++ b/src/core/wee-network.c
@@ -337,11 +337,11 @@ network_is_ip_address (const char *address)
         return 0;
 
     /* valid IPv4? */
-    if (inet_pton (AF_INET, address, &server_addr.sin_addr))
+    if (inet_pton (AF_INET, address, &server_addr.sin_addr) == 1)
         return 1;
 
     /* valid IPv6? */
-    if (inet_pton (AF_INET6, address, &server_addr6.sin6_addr))
+    if (inet_pton (AF_INET6, address, &server_addr6.sin6_addr) == 1)
         return 1;
 
     /* not a valid IP address */
diff --git a/src/plugins/relay/relay-server.c b/src/plugins/relay/relay-server.c
index 13889ea64..daceaa167 100644
--- a/src/plugins/relay/relay-server.c
+++ b/src/plugins/relay/relay-server.c
@@ -512,7 +512,7 @@ relay_server_create_socket (struct t_relay_server *server)
         server_addr6.sin6_addr = in6addr_any;
         if (bind_address && bind_address[0])
         {
-            if (!inet_pton (domain, bind_address, &server_addr6.sin6_addr))
+            if (inet_pton (domain, bind_address, &server_addr6.sin6_addr) != 1)
             {
                 weechat_printf (NULL,
                                 /* TRANSLATORS: second "%s" is "IPv4" or "IPv6" */
@@ -534,7 +534,7 @@ relay_server_create_socket (struct t_relay_server *server)
         server_addr.sin_addr.s_addr = INADDR_ANY;
         if (bind_address && bind_address[0])
         {
-            if (!inet_pton (domain, bind_address, &server_addr.sin_addr))
+            if (inet_pton (domain, bind_address, &server_addr.sin_addr) != 1)
             {
                 weechat_printf (NULL,
                                 /* TRANSLATORS: second "%s" is "IPv4" or "IPv6" */