diff --git a/src/n-dhcp4/src/n-dhcp4-c-probe.c b/src/n-dhcp4/src/n-dhcp4-c-probe.c
index b7fe1c4f38..a5b38bcd3d 100644
--- a/src/n-dhcp4/src/n-dhcp4-c-probe.c
+++ b/src/n-dhcp4/src/n-dhcp4-c-probe.c
@@ -198,7 +198,7 @@ _c_public_ void n_dhcp4_client_probe_config_set_init_reboot(NDhcp4ClientProbeCon
  *
  * This sets the DSCP property of the configuration object, which specifies
  * the DSCP value to set in the first six bits of the DS field in the IPv4
- * header. If this function is not called, the DSCP will be set to CS6.
+ * header. If this function is not called, the DSCP will be set to CS0.
  */
 _c_public_ void n_dhcp4_client_probe_config_set_dscp(NDhcp4ClientProbeConfig *config, uint8_t dscp) {
         config->dscp = dscp & 0x3F;
diff --git a/src/n-dhcp4/src/n-dhcp4-private.h b/src/n-dhcp4/src/n-dhcp4-private.h
index 4bbb03d482..40404001a8 100644
--- a/src/n-dhcp4/src/n-dhcp4-private.h
+++ b/src/n-dhcp4/src/n-dhcp4-private.h
@@ -35,7 +35,7 @@ typedef struct NDhcp4LogQueue NDhcp4LogQueue;
 #define N_DHCP4_NETWORK_CLIENT_PORT (68)
 #define N_DHCP4_MESSAGE_MAGIC ((uint32_t)(0x63825363))
 #define N_DHCP4_MESSAGE_FLAG_BROADCAST (htons(0x8000))
-#define N_DHCP4_DSCP_DEFAULT (IPTOS_CLASS_CS6 >> 2)
+#define N_DHCP4_DSCP_DEFAULT (IPTOS_CLASS_CS0 >> 2)
 
 enum {
         N_DHCP4_OP_BOOTREQUEST                          = 1,