diff --git a/src/gui-sdl/gui-sdl.c b/src/gui-sdl/gui-sdl.c
index 618e79e..d1f2809 100644
--- a/src/gui-sdl/gui-sdl.c
+++ b/src/gui-sdl/gui-sdl.c
@@ -574,8 +574,11 @@ void gui_notify_state (int state)
 {
 }
 
+extern int log_quiet;
 int gui_update (void)
 {
+	log_quiet = 1;
+
     return 0;
 }
 
diff --git a/src/writelog.c b/src/writelog.c
index 5e758a9..9e533ee 100644
--- a/src/writelog.c
+++ b/src/writelog.c
@@ -39,12 +39,15 @@ void set_logfile (const char *logfile_name)
     }
 }
 
+int log_quiet = 0;
+
 void write_log (const char *fmt, ...)
 {
     va_list ap;
     va_start (ap, fmt);
 #ifdef HAVE_VFPRINTF
-    vfprintf (logfile ? logfile : stderr, fmt, ap);
+    if (!log_quiet)
+    	vfprintf (logfile ? logfile : stderr, fmt, ap);
 #else
     /* Technique stolen from GCC.  */
     {