diff --git a/ChangeLog b/ChangeLog
index 34040ffb..2bb83e6e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-11-02  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
+
+	Only decrement cols if cols > 0
+	* src/ConsoleStatCalc.cc
+
 2009-11-02  Tatsuhiro Tsujikawa  <t-tujikawa@users.sourceforge.net>
 
 	Updated Polish, Catalan, French, Italian, Russian and Japanese
diff --git a/src/ConsoleStatCalc.cc b/src/ConsoleStatCalc.cc
index ff60b0cc..ec12e828 100644
--- a/src/ConsoleStatCalc.cc
+++ b/src/ConsoleStatCalc.cc
@@ -217,8 +217,10 @@ ConsoleStatCalc::calculateStat(const DownloadEngine* e)
     if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &size) == 0) {
       cols = size.ws_col;
 #ifdef __MINGW32__
-      // Windows terminal cannot handle at the end of line properly.
-      --cols;
+      if(cols > 0) {
+	// Windows terminal cannot handle at the end of line properly.
+	--cols;
+      }
 #endif // __MINGW32__
     }
 #endif // HAVE_TERMIOS_H