diff --git a/src/arch/x86/isa/includes.isa b/src/arch/x86/isa/includes.isa
index d1c76c2521..58aef7b1de 100644
--- a/src/arch/x86/isa/includes.isa
+++ b/src/arch/x86/isa/includes.isa
@@ -111,6 +111,7 @@ output header {{
 
 output decoder {{
 #include "arch/x86/faults.hh"
+#include "arch/x86/miscregs.hh"
 #include "arch/x86/segmentregs.hh"
 #include "base/cprintf.hh"
 #include "base/loader/symtab.hh"