diff --git a/lib/wzmaplib/include/wzmaplib/map_io.h b/lib/wzmaplib/include/wzmaplib/map_io.h
index cc7efdb670c..02ee292f496 100644
--- a/lib/wzmaplib/include/wzmaplib/map_io.h
+++ b/lib/wzmaplib/include/wzmaplib/map_io.h
@@ -21,6 +21,7 @@
 #pragma once
 
 #include <cstddef>
+#include <cstdint>
 #include <string>
 #include <memory>
 #include <vector>
diff --git a/lib/wzmaplib/src/map_script.h b/lib/wzmaplib/src/map_script.h
index 1de3a0250b9..6a98b2fb834 100644
--- a/lib/wzmaplib/src/map_script.h
+++ b/lib/wzmaplib/src/map_script.h
@@ -19,6 +19,7 @@
 
 #pragma once
 
+#include <cstdint>
 #include <vector>
 #include <string>
 #include <memory>