Index: util/mp4chaps.cpp
===================================================================
--- util/mp4chaps.cpp	(revision 264)
+++ util/mp4chaps.cpp	(working copy)
@@ -22,6 +22,7 @@
 //
 ///////////////////////////////////////////////////////////////////////////////
 #include "util/impl.h"
+#include <string.h>
 
 namespace mp4v2 { namespace util {
 
@@ -1005,7 +1006,7 @@
 
             formatState = FMT_STATE_FINISH;
         }
-        else if( 0 == strnicmp( pos, "CHAPTER", 7 ) )
+        else if( 0 == strncasecmp( pos, "CHAPTER", 7 ) )
         {
             // common format: CHAPTERxx=hh:mm:ss.sss\nCHAPTERxxNAME=<title>
 
@@ -1018,7 +1019,11 @@
             }
 
             *equalsPos = 0;
-            strlwr( pos );
+            
+            string cpp = pos;
+            std::transform( cpp.begin(), cpp.end(), cpp.begin(), ::tolower );
+            strcpy (pos, cpp.c_str());
+            //strlwr( pos );
 
             if( NULL != strstr( pos, "name" ) )
             {