diff --git a/Changes b/Changes
index bd1fc12f7..6b5ff7f24 100644
--- a/Changes
+++ b/Changes
@@ -2665,3 +2665,5 @@ seen. gmtime warning still there
 - Added a function join_channel which will make it easier for module coders to force users
   to join a channel
 - Made it possible to compile the win32 version with libcurl support
+- Updated the win32 TRE lib/dll to the latest version (0.6.3)
+- Fixed a PATH_MAX vs MAX_PATH problem
diff --git a/include/sys.h b/include/sys.h
index 609ba234d..2632ccf37 100644
--- a/include/sys.h
+++ b/include/sys.h
@@ -127,6 +127,7 @@ typedef unsigned int u_int;
 #ifdef _WIN32
 #define MYOSNAME OSName
 extern char OSName[256];
+#define PATH_MAX MAX_PATH
 #endif
 #ifdef DEBUGMODE
 // #define ircsprintf sprintf
diff --git a/src/support.c b/src/support.c
index f2263caa7..be30a21a5 100644
--- a/src/support.c
+++ b/src/support.c
@@ -1693,11 +1693,11 @@ char *unreal_mktemp(char *dir, char *suffix)
 {
 	FILE *fd;
 	unsigned int i;
-	static char tempbuf[MAX_PATH+1];
+	static char tempbuf[PATH_MAX+1];
 
 	for (i = 500; i > 0; i--)
 	{
-		snprintf(tempbuf, MAX_PATH, "%s/%X.%s", dir, rand(), suffix);
+		snprintf(tempbuf, PATH_MAX, "%s/%X.%s", dir, rand(), suffix);
 		fd = fopen(tempbuf, "r");
 		if (!fd)
 			return tempbuf;
diff --git a/src/win32/tre.dll b/src/win32/tre.dll
index 343384633..51b26e43e 100644
Binary files a/src/win32/tre.dll and b/src/win32/tre.dll differ
diff --git a/src/win32/tre.lib b/src/win32/tre.lib
index 9c0569514..58e5781a6 100644
Binary files a/src/win32/tre.lib and b/src/win32/tre.lib differ