diff --git a/win32/buildwin.html b/win32/buildwin.html
index 8632be051..d948a0219 100644
--- a/win32/buildwin.html
+++ b/win32/buildwin.html
@@ -15,7 +15,7 @@ div.level5 {margin: 0em 0em 0em 2em;}
 div.footer {text-align: right; margin: 0em 0em 2em 0em;}
 A:Link,A:Visited,A:Active{color:#4169E1;}
 A:Hover{background-color:pink;color:navy;}
-pre{color: #aa0000;background-color:#e0ffff;line-height:1.5em;margin:0.5em 0em 0.5em 0em;padding:1em;}
+pre{overflow-x: auto; color: #aa0000;background-color:#e0ffff;line-height:1.5em;margin:0.5em 0em 0.5em 0em;padding:1em;}
 hr {margin: 2em 0em 1em 0em;}
 -->
 </style>
@@ -254,4 +254,4 @@ Shin-ichi TOYAMA shin1@wmail.plala.or.jp
 </div>
 </div>
 </BODY>
-</HTML>
\ No newline at end of file
+</HTML>