diff --git a/src/xenia/vfs/devices/stfs_container_device.h b/src/xenia/vfs/devices/stfs_container_device.h
index a7ecda6d2..f760bf14a 100644
--- a/src/xenia/vfs/devices/stfs_container_device.h
+++ b/src/xenia/vfs/devices/stfs_container_device.h
@@ -13,6 +13,7 @@
 #include <map>
 #include <memory>
 #include <string>
+#include <unordered_map>
 
 #include "xenia/base/mapped_memory.h"
 #include "xenia/base/math.h"