--- ncurses/base/lib_printw.c
+++ ncurses/base/lib_printw.c	2010-01-12 10:51:29.975429869 +0100
@@ -48,10 +48,12 @@ printw(const char *fmt,...)
     int code;
 
 #ifdef TRACE
-    va_start(argp, fmt);
+    va_list argq;
+    va_copy(argq, argp);
+    va_start(argq, fmt);
     T((T_CALLED("printw(%s%s)"),
-       _nc_visbuf(fmt), _nc_varargs(fmt, argp)));
-    va_end(argp);
+       _nc_visbuf(fmt), _nc_varargs(fmt, argq)));
+    va_end(argq);
 #endif
 
     va_start(argp, fmt);
@@ -68,10 +70,12 @@ wprintw(WINDOW *win, const char *fmt,...
     int code;
 
 #ifdef TRACE
-    va_start(argp, fmt);
+    va_list argq;
+    va_copy(argq, argp);
+    va_start(argq, fmt);
     T((T_CALLED("wprintw(%p,%s%s)"),
-       (void *) win, _nc_visbuf(fmt), _nc_varargs(fmt, argp)));
-    va_end(argp);
+       (void *) win, _nc_visbuf(fmt), _nc_varargs(fmt, argq)));
+    va_end(argq);
 #endif
 
     va_start(argp, fmt);
@@ -88,10 +92,12 @@ mvprintw(int y, int x, const char *fmt,.
     int code;
 
 #ifdef TRACE
-    va_start(argp, fmt);
+    va_list argq;
+    va_copy(argq, argp);
+    va_start(argq, fmt);
     T((T_CALLED("mvprintw(%d,%d,%s%s)"),
-       y, x, _nc_visbuf(fmt), _nc_varargs(fmt, argp)));
-    va_end(argp);
+       y, x, _nc_visbuf(fmt), _nc_varargs(fmt, argq)));
+    va_end(argq);
 #endif
 
     if ((code = move(y, x)) != ERR) {
@@ -109,10 +115,12 @@ mvwprintw(WINDOW *win, int y, int x, con
     int code;
 
 #ifdef TRACE
-    va_start(argp, fmt);
+    va_list argq;
+    va_copy(argq, argp);
+    va_start(argq, fmt);
     T((T_CALLED("mvwprintw(%d,%d,%p,%s%s)"),
-       y, x, (void *) win, _nc_visbuf(fmt), _nc_varargs(fmt, argp)));
-    va_end(argp);
+       y, x, (void *) win, _nc_visbuf(fmt), _nc_varargs(fmt, argq)));
+    va_end(argq);
 #endif
 
     if ((code = wmove(win, y, x)) != ERR) {