diff --git a/src/network/networkd-dhcp4.c b/src/network/networkd-dhcp4.c
index 81faf48448..cb9c428ae9 100644
--- a/src/network/networkd-dhcp4.c
+++ b/src/network/networkd-dhcp4.c
@@ -1528,7 +1528,7 @@ static int dhcp4_configure(Link *link) {
                         return log_link_debug_errno(link, r, "DHCPv4 CLIENT: Failed to set max attempts: %m");
         }
 
-        if (link->network->dhcp_ip_service_type > 0) {
+        if (link->network->dhcp_ip_service_type >= 0) {
                 r = sd_dhcp_client_set_service_type(link->dhcp_client, link->network->dhcp_ip_service_type);
                 if (r < 0)
                         return log_link_debug_errno(link, r, "DHCPv4 CLIENT: Failed to set IP service type: %m");