diff --git a/src/pugixml.hpp b/src/pugixml.hpp
index f57dba2..d278358 100644
--- a/src/pugixml.hpp
+++ b/src/pugixml.hpp
@@ -2160,7 +2160,7 @@ namespace pugi
 		
 		void push_back(const xpath_node& n);
 		
-		template <typename Iterator> void append(Iterator begin, Iterator end);
+		void append(const_iterator begin, const_iterator end);
 		
 		void truncate(iterator it);
 
diff --git a/src/pugixpath.cpp b/src/pugixpath.cpp
index d409655..7a47349 100644
--- a/src/pugixpath.cpp
+++ b/src/pugixpath.cpp
@@ -764,7 +764,7 @@ namespace pugi
 		}
 	}
 
-	template <typename Iterator> void xpath_node_set::append(Iterator begin, Iterator end)
+	void xpath_node_set::append(const_iterator begin, const_iterator end)
 	{
 		if (begin == end) return;