diff --git a/ucb/source/ucp/webdav-neon/PropfindCache.hxx b/ucb/source/ucp/webdav-neon/PropfindCache.hxx
index 1415a633ce75..f01e6522db61 100644
--- a/ucb/source/ucp/webdav-neon/PropfindCache.hxx
+++ b/ucb/source/ucp/webdav-neon/PropfindCache.hxx
@@ -41,7 +41,7 @@ namespace webdav_ucp
 
     public:
         PropertyNames();
-        PropertyNames( const OUString& rURL );
+        explicit PropertyNames( const OUString& rURL );
         PropertyNames( const PropertyNames& theOther );
         virtual ~PropertyNames();