diff --git a/fru-area.hpp b/fru_area.hpp
similarity index 100%
rename from fru-area.hpp
rename to fru_area.hpp
diff --git a/writefrudata.cpp b/writefrudata.cpp
index a53859b..0294e57 100644
--- a/writefrudata.cpp
+++ b/writefrudata.cpp
@@ -1,6 +1,6 @@
 #include "writefrudata.hpp"
 
-#include "fru-area.hpp"
+#include "fru_area.hpp"
 #include "frup.hpp"
 #include "types.hpp"