diff --git a/Machines/Utility/ROMCatalogue.hpp b/Machines/Utility/ROMCatalogue.hpp
index 37e840974..baf3f19d0 100644
--- a/Machines/Utility/ROMCatalogue.hpp
+++ b/Machines/Utility/ROMCatalogue.hpp
@@ -9,6 +9,7 @@
 #ifndef ROMCatalogue_hpp
 #define ROMCatalogue_hpp
 
+#include <map>
 #include <vector>
 
 namespace ROM {