diff --git a/include/mapnik/png_io.hpp b/include/mapnik/png_io.hpp
index 9880962a0..93d2620f4 100644
--- a/include/mapnik/png_io.hpp
+++ b/include/mapnik/png_io.hpp
@@ -539,4 +539,4 @@ namespace mapnik {
    }   
 }
 
-#endif // MAPNIK_PNG_IO_HPP
\ No newline at end of file
+#endif // MAPNIK_PNG_IO_HPP