diff --git a/src/macro/Environment.hh b/src/macro/Environment.hh
index c37d7c61..06bb041c 100644
--- a/src/macro/Environment.hh
+++ b/src/macro/Environment.hh
@@ -23,6 +23,7 @@
 #include "ForwardDeclarationsAndEnums.hh"
 
 #include <map>
+#include <vector>
 
 namespace macro
 {