diff --git a/power/SaifReaderPvt.hh b/power/SaifReaderPvt.hh
index 4f5aa4e1..aaadd6f8 100644
--- a/power/SaifReaderPvt.hh
+++ b/power/SaifReaderPvt.hh
@@ -16,6 +16,7 @@
 
 #pragma once
 
+#include <array>
 #include <cstdint>
 #include <vector>
 #include <string>