diff --git a/src/protocol/MySQLResult.inl b/src/protocol/MySQLResult.inl
index 6c2bc1b2..e7bba63f 100644
--- a/src/protocol/MySQLResult.inl
+++ b/src/protocol/MySQLResult.inl
@@ -265,6 +265,7 @@ inline std::string MySQLCell::as_datetime() const
 inline bool MySQLCell::is_string() const
 {
 	return (this->data_type == MYSQL_TYPE_DECIMAL ||
+			this->data_type == MYSQL_TYPE_NEWDECIMAL ||
 			this->data_type == MYSQL_TYPE_STRING ||
 			this->data_type == MYSQL_TYPE_VARCHAR ||
 			this->data_type == MYSQL_TYPE_VAR_STRING ||