diff --git a/include/fusion.idl b/include/fusion.idl
index 99638383535..d645662e80b 100644
--- a/include/fusion.idl
+++ b/include/fusion.idl
@@ -38,6 +38,7 @@ typedef enum
     peI386      = 0x00000002,
     peIA64      = 0x00000003,
     peAMD64     = 0x00000004,
+    peARM       = 0x00000005,
     peInvalid   = 0xffffffff
 } PEKIND;