diff --git a/src/arch/x86/faults.hh b/src/arch/x86/faults.hh
index 7d12e7df46..384b4b352e 100644
--- a/src/arch/x86/faults.hh
+++ b/src/arch/x86/faults.hh
@@ -58,6 +58,7 @@
 #ifndef __ARCH_X86_FAULTS_HH__
 #define __ARCH_X86_FAULTS_HH__
 
+#include "base/misc.hh"
 #include "sim/faults.hh"
 
 namespace X86ISA