Index: jade/TeXFOTBuilder.cxx
--- jade/TeXFOTBuilder.cxx.orig
+++ jade/TeXFOTBuilder.cxx
@@ -1004,7 +1004,7 @@ OutputByteStream &operator<<( OutputByteStream &os, Le
 
   char buf[32];
   int i;
-  sprintf( buf, "%li.%.3i%n", long(length.l)/1000, abs(long(length.l)%1000), &i );
+  i = sprintf( buf, "%li.%.3i", long(length.l)/1000, abs(long(length.l)%1000) );
   while( buf[--i] == '0' ) {}; if( buf[i] == '.' ) i--;
     buf[i+1] = '\0';
   os << buf << "\\p@";