diff --git a/drivers/kvm/x86_emulate.h b/drivers/kvm/x86_emulate.h
index 28acad4..f03b128 100644
--- a/drivers/kvm/x86_emulate.h
+++ b/drivers/kvm/x86_emulate.h
@@ -114,7 +114,7 @@
 
 /* Type, address-of, and value of an instruction's operand. */
 struct operand {
-	enum { OP_REG, OP_MEM, OP_IMM } type;
+	enum { OP_REG, OP_MEM, OP_IMM, OP_NONE } type;
 	unsigned int bytes;
 	unsigned long val, orig_val, *ptr;
 };