diff --git a/mfbt/Maybe.h b/mfbt/Maybe.h
index 6c0fbe7ba2..cc02528f92 100644
--- a/mfbt/Maybe.h
+++ b/mfbt/Maybe.h
@@ -16,6 +16,7 @@
 
 #include <new>  // for placement new
 #include <type_traits>
+#include <utility>
 
 namespace mozilla {