diff --git a/Machines/ZX8081/ZX8081.cpp b/Machines/ZX8081/ZX8081.cpp
index f209a8ae1..52b2c8d9e 100644
--- a/Machines/ZX8081/ZX8081.cpp
+++ b/Machines/ZX8081/ZX8081.cpp
@@ -17,9 +17,6 @@
 
 #include "Video.hpp"
 
-#include <cstdint>
-#include <vector>
-
 namespace {
 	// The clock rate is 3.25Mhz.
 	const unsigned int ZX8081ClockRate = 3250000;
diff --git a/Machines/ZX8081/ZX8081.hpp b/Machines/ZX8081/ZX8081.hpp
index bef4d17d5..23fb01e9e 100644
--- a/Machines/ZX8081/ZX8081.hpp
+++ b/Machines/ZX8081/ZX8081.hpp
@@ -12,6 +12,9 @@
 #include "../ConfigurationTarget.hpp"
 #include "../CRTMachine.hpp"
 
+#include <cstdint>
+#include <vector>
+
 namespace ZX8081 {
 
 enum ROMType: uint8_t {