diff --git a/src/devices/nm-device.c b/src/devices/nm-device.c
index 635c6515f1..0698085bfa 100644
--- a/src/devices/nm-device.c
+++ b/src/devices/nm-device.c
@@ -7474,7 +7474,7 @@ ensure_con_ip_config (NMDevice *self, int addr_family)
 /*****************************************************************************/
 /* DHCPv4 stuff */
 
-static int
+static guint32
 get_dhcp_timeout (NMDevice *self, int addr_family)
 {
 	NMDeviceClass *klass;