diff --git a/usr.bin/talk/get_names.c b/usr.bin/talk/get_names.c
index 73e20a162bd..7fb341a3050 100644
--- a/usr.bin/talk/get_names.c
+++ b/usr.bin/talk/get_names.c
@@ -41,6 +41,7 @@ static const char rcsid[] =
 
 #include <err.h>
 #include <pwd.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/param.h>
 #include "talk.h"
diff --git a/usr.bin/talk/init_disp.c b/usr.bin/talk/init_disp.c
index 246a3c86543..850bdf4392d 100644
--- a/usr.bin/talk/init_disp.c
+++ b/usr.bin/talk/init_disp.c
@@ -46,6 +46,7 @@ static const char rcsid[] =
 
 #include <err.h>
 #include <signal.h>
+#include <stdlib.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <termios.h>