diff --git a/src/pugixml.cpp b/src/pugixml.cpp
index 302a015..2e17fae 100644
--- a/src/pugixml.cpp
+++ b/src/pugixml.cpp
@@ -1670,12 +1670,14 @@ namespace
 			break;
 
 		case node_declaration:
+		{
 			dest.set_name(source.name());
 
 			for (xml_attribute a = source.first_attribute(); a; a = a.next_attribute())
 				dest.append_attribute(a.name()).set_value(a.value());
 
 			break;
+		}
 
 		default:
 			assert(false);