diff --git a/ChangeLog b/ChangeLog
index 7889a5bbd3..eeb56e9e82 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Aug  4 22:10:34 2009  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* win32/win32.c (has_redirection): need to execute shell if commandline
+	  includes newline.  cf. [ruby-core:24560]
+
 Tue Aug  4 15:06:58 2009  Akinori MUSHA  <knu@iDaemons.org>
 
 	* lib/ipaddr.rb (IPAddr#{eql?,hash}): Add IPAddr#{eql?,hash} so
diff --git a/win32/win32.c b/win32/win32.c
index 8f2a4ac8fa..fc33b1152c 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -1235,8 +1235,8 @@ has_redirection(const char *cmd)
     const char *ptr;
 
     //
-    // Scan the string, looking for redirection (< or >) or pipe 
-    // characters (|) that are not in a quoted string
+    // Scan the string, looking for redirection characters (< or >), pipe
+    // character (|) or newline (\n) that are not in a quoted string
     //
 
     for (ptr = cmd; *ptr;) {
@@ -1253,6 +1253,7 @@ has_redirection(const char *cmd)
 	  case '>':
 	  case '<':
 	  case '|':
+	  case '\n':
 	    if (!quote)
 		return TRUE;
 	    ptr++;