diff --git a/include/exiv2/xmp_exiv2.hpp b/include/exiv2/xmp_exiv2.hpp
index 46c48120..b0a1f6bd 100644
--- a/include/exiv2/xmp_exiv2.hpp
+++ b/include/exiv2/xmp_exiv2.hpp
@@ -257,7 +257,7 @@ namespace Exiv2 {
         // DATA
         XmpMetadata xmpMetadata_;
         std::string xmpPacket_  ;
-        bool usePacket_{0};
+        bool usePacket_{};
     }; // class XmpData
 
     /*!