diff --git a/src/include/netif/ppp/ppp.h b/src/include/netif/ppp/ppp.h
index 22ed321c..66e711df 100644
--- a/src/include/netif/ppp/ppp.h
+++ b/src/include/netif/ppp/ppp.h
@@ -349,10 +349,6 @@ struct ppp_pcb_s {
 #endif /* VJ_SUPPORT */
 #endif /* PPPOS_SUPPORT */
 
-  /* FIXME: maybe we should cleanup one of those MTU variables */
-  u16_t mtu;                     /* Peer's mru */
-  u16_t peer_mru;                /* currently negotiated peer MRU */
-
   u32_t last_xmit;               /* Time of last transmission. */
 
   struct ppp_addrs addrs;        /* PPP addresses */
@@ -388,6 +384,7 @@ struct ppp_pcb_s {
   lcp_options lcp_hisoptions;    /* Options that we ack'd */
   u8_t lcp_echos_pending;        /* Number of outstanding echo msgs */
   u8_t lcp_echo_number;          /* ID number of next echo frame */
+  u16_t peer_mru;                /* currently negotiated peer MRU */
 
   fsm ipcp_fsm;                   /* IPCP fsm structure */
   ipcp_options ipcp_wantoptions;  /* Options that we want to request */
diff --git a/src/netif/ppp/ppp.c b/src/netif/ppp/ppp.c
index d046d188..fccda18f 100644
--- a/src/netif/ppp/ppp.c
+++ b/src/netif/ppp/ppp.c
@@ -2219,7 +2219,6 @@ int sifup(ppp_pcb *pcb) {
   netif_ip6_addr_set_state(&pcb->netif, 0, IP6_ADDR_PREFERRED);
 #endif /* PPP_IPV6_SUPPORT */
 
-  pcb->netif.mtu = netif_get_mtu(pcb);
   netif_set_up(&pcb->netif);
   pcb->if_up = 1;
   pcb->err_code = PPPERR_NONE;
@@ -2261,7 +2260,7 @@ int sifnpmode(ppp_pcb *pcb, int proto, enum NPmode mode) {
  */
 void netif_set_mtu(ppp_pcb *pcb, int mtu) {
 
-  pcb->mtu = mtu;
+  pcb->netif.mtu = mtu;
 }
 
 /*
@@ -2269,7 +2268,7 @@ void netif_set_mtu(ppp_pcb *pcb, int mtu) {
  */
 int netif_get_mtu(ppp_pcb *pcb) {
 
-  return pcb->mtu;
+  return pcb->netif.mtu;
 }
 
 /********************************************************************