diff --git a/hypervisor/arch/x86/guest/instr_emul_wrapper.c b/hypervisor/arch/x86/guest/instr_emul_wrapper.c
index 180ccff3b..fea04ec39 100644
--- a/hypervisor/arch/x86/guest/instr_emul_wrapper.c
+++ b/hypervisor/arch/x86/guest/instr_emul_wrapper.c
@@ -336,7 +336,7 @@ int emulate_instruction(struct vcpu *vcpu)
 	paging = &emul_cnx->paging;
 
 	retval = vmm_emulate_instruction(vcpu, gpa,
-			&emul_cnx->vie, paging, mread, mwrite, &retval);
+			&emul_cnx->vie, paging, mread, mwrite, NULL);
 
 	return retval;
 }