diff --git a/Foundation/include/Poco/HashTable.h b/Foundation/include/Poco/HashTable.h
index 58a5d3f51..738d34a04 100644
--- a/Foundation/include/Poco/HashTable.h
+++ b/Foundation/include/Poco/HashTable.h
@@ -176,7 +176,7 @@ public:
 	{
 		if (!_entries[hsh])
 			_entries[hsh] = new HashEntryMap();
-		std::pair<Iterator, bool> res = _entries[hsh]->insert(make_pair(key, value));
+		std::pair<Iterator, bool> res = _entries[hsh]->insert(std::make_pair(key, value));
 		if (res.second == false)
 			res.first->second = value;
 		else