diff --git a/src/rsql/parser.cpp b/src/rsql/parser.cpp
index 8cda9d0..ec4671a 100644
--- a/src/rsql/parser.cpp
+++ b/src/rsql/parser.cpp
@@ -5,6 +5,7 @@
 #include "matador/rsql/logical_node.hpp"
 
 #include <map>
+#include <algorithm>
 #include <stdexcept>
 
 namespace matador::rsql {