diff --git a/src/tools/vmap4_extractor/wdtfile.h b/src/tools/vmap4_extractor/wdtfile.h
index b679cf70c1..94143806fc 100644
--- a/src/tools/vmap4_extractor/wdtfile.h
+++ b/src/tools/vmap4_extractor/wdtfile.h
@@ -21,6 +21,7 @@
 #include "mpqfile.h"
 #include <string>
 #include <memory>
+#include <vector>
 
 class ADTFile;