diff --git a/net/sixlowpan/sixlowpan_framelist.c b/net/sixlowpan/sixlowpan_framelist.c
index f1e1250b553..58f4ba624e0 100644
--- a/net/sixlowpan/sixlowpan_framelist.c
+++ b/net/sixlowpan/sixlowpan_framelist.c
@@ -115,14 +115,14 @@ static void sixlowpan_compress_ipv6hdr(FAR struct ieee802154_driver_s *ieee,
 {
   /* Indicate the IPv6 dispatch and length */
 
-  *fptr            = SIXLOWPAN_DISPATCH_IPV6;
-  g_frame_hdrlen  += SIXLOWPAN_IPV6_HDR_LEN;
+  fptr[g_frame_hdrlen] = SIXLOWPAN_DISPATCH_IPV6;
+  g_frame_hdrlen      += SIXLOWPAN_IPV6_HDR_LEN;
 
   /* Copy the IPv6 header and adjust pointers */
 
-  memcpy(fptr + g_frame_hdrlen, destip, IPv6_HDRLEN);
-  g_frame_hdrlen  += IPv6_HDRLEN;
-  g_uncomp_hdrlen += IPv6_HDRLEN;
+  memcpy(&fptr[g_frame_hdrlen] , destip, IPv6_HDRLEN);
+  g_frame_hdrlen      += IPv6_HDRLEN;
+  g_uncomp_hdrlen     += IPv6_HDRLEN;
 }
 
 /****************************************************************************
diff --git a/net/sixlowpan/sixlowpan_input.c b/net/sixlowpan/sixlowpan_input.c
index 616a464ea95..ffc85bdfcfb 100644
--- a/net/sixlowpan/sixlowpan_input.c
+++ b/net/sixlowpan/sixlowpan_input.c
@@ -440,7 +440,7 @@ static int sixlowpan_frame_process(FAR struct ieee802154_driver_s *ieee,
 
   hc1 = payptr + g_frame_hdrlen;
 
-  #ifdef CONFIG_NET_6LOWPAN_COMPRESSION_HC06
+#ifdef CONFIG_NET_6LOWPAN_COMPRESSION_HC06
   if ((hc1[RIME_HC1_DISPATCH] & SIXLOWPAN_DISPATCH_IPHC_MASK) == SIXLOWPAN_DISPATCH_IPHC)
     {
       ninfo("IPHC Dispatch\n");