diff --git a/EXmDNS.cpp b/EXmDNS.cpp
index 6cc1090..62511a2 100644
--- a/EXmDNS.cpp
+++ b/EXmDNS.cpp
@@ -99,7 +99,7 @@ int MDNS::addServiceRecord(const char* name, uint16_t port, MDNSServiceProtocol_
 }
 
 static char dns_rr_services[]   = "\x09_services\x07_dns-sd\x04_udp\x05local";
-static char *dns_rr_tcplocal    = "\x04_tcp\x05local"; 
+static char dns_rr_tcplocal[]   = "\x04_tcp\x05local"; 
 static char *dns_rr_local       = dns_rr_tcplocal + dns_rr_tcplocal[0] + 1;
 
 typedef struct _DNSHeader_t 
diff --git a/EthernetInterface.cpp b/EthernetInterface.cpp
index ecdfefb..cd89c0e 100644
--- a/EthernetInterface.cpp
+++ b/EthernetInterface.cpp
@@ -114,7 +114,7 @@ void EthernetInterface::setup()
  
   outboundRing=new RingStream(OUTBOUND_RING_SIZE);
   #ifdef DO_MDNS
-    if (!mdns.begin(Ethernet.localIP(), WIFI_HOSTNAME))
+    if (!mdns.begin(Ethernet.localIP(), (char *)WIFI_HOSTNAME))
       DIAG("mdns.begin fail"); // hostname
     mdns.addServiceRecord(WIFI_HOSTNAME "._withrottle", IP_PORT, MDNSServiceTCP);
     mdns.run(); // run it right away to get out info ASAP