diff --git a/sys/mac/macmain.c b/sys/mac/macmain.c
index 6d76e8be1..9b51262bb 100644
--- a/sys/mac/macmain.c
+++ b/sys/mac/macmain.c
@@ -43,12 +43,12 @@ main(void)
     windowprocs = mac_procs;
     InitMac();
 
-    hname = "Mac Hack";
+    g.hname = "Mac Hack";
     hackpid = getpid();
 
     setrandom();
     initoptions();
-    init_nhwindows(&argc, (char **) &hname);
+    init_nhwindows(&argc, (char **) &g.hname);
 
     /*
      * It seems you really want to play.
diff --git a/sys/share/pcmain.c b/sys/share/pcmain.c
index 31f9c25cf..be8d54be4 100644
--- a/sys/share/pcmain.c
+++ b/sys/share/pcmain.c
@@ -131,11 +131,11 @@ _CrtSetReportFile(_CRT_ASSERT, _CRTDBG_FILE_STDERR);*/
 #ifdef TOS
     long clock_time;
     if (*argv[0]) { /* only a CLI can give us argv[0] */
-        hname = argv[0];
+        g.hname = argv[0];
         run_from_desktop = FALSE;
     } else
 #endif
-        hname = "NetHack"; /* used for syntax messages */
+        g.hname = "NetHack"; /* used for syntax messages */
 
     choose_windows(DEFAULT_WINDOW_SYS);
 
@@ -675,12 +675,12 @@ nhusage()
      */
     (void) Sprintf(buf2, "\nUsage:\n%s [-d dir] -s [-r race] [-p profession] "
                          "[maxrank] [name]...\n       or",
-                   hname);
+                   g.hname);
     ADD_USAGE(buf2);
 
     (void) Sprintf(
         buf2, "\n%s [-d dir] [-u name] [-r race] [-p profession] [-[DX]]",
-        hname);
+        g.hname);
     ADD_USAGE(buf2);
 #ifdef NEWS
     ADD_USAGE(" [-n]");
diff --git a/sys/vms/vmsmain.c b/sys/vms/vmsmain.c
index 75f321cb0..97ef0f3de 100644
--- a/sys/vms/vmsmain.c
+++ b/sys/vms/vmsmain.c
@@ -47,8 +47,8 @@ char *argv[];
     sys_early_init();
 
     atexit(byebye);
-    hname = argv[0];
-    hname = vms_basename(hname); /* name used in 'usage' type messages */
+    g.hname = argv[0];
+    g.hname = vms_basename(g.hname); /* name used in 'usage' type messages */
     hackpid = getpid();
     (void) umask(0);