diff --git a/src/arch/festival/server.cc b/src/arch/festival/server.cc
index 2ec6c6e..8fc47b5 100644
--- a/src/arch/festival/server.cc
+++ b/src/arch/festival/server.cc
@@ -122,7 +122,7 @@ int festival_start_server(int port)
     serv_addr.sin_port = htons(port);
     serv_addr.sin_addr.s_addr = htonl(INADDR_ANY);
 
-    if (bind(fd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) != 0)
+    if (::bind(fd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) != 0)
     {
 	cerr << "socket: bind failed" << endl;
 	festival_error();
diff --git a/src/modules/clunits/acost.cc b/src/modules/clunits/acost.cc
index d12ca9c..a18a479 100644
--- a/src/modules/clunits/acost.cc
+++ b/src/modules/clunits/acost.cc
@@ -46,6 +46,7 @@
 /*                                                                       */
 /*=======================================================================*/
 #include <cstdlib>
+#include <cmath>
 #include "festival.h"
 #include "clunits.h"
 
@@ -196,7 +197,7 @@ static void cumulate_ss_frames(EST_Track *a,EST_SuffStats *ss_frames)
 	for (j=0; j < a->num_channels(); j++)
 	{
 	    p = a->a_no_check(i,j);
-	    if (!finite(p))
+	    if (!std::isfinite(p))
 	    {
 		p = 1.0e5;
 		a->a_no_check(i,j) = p;