diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index 2808291..3721cfd 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -750,6 +750,7 @@
 
 			switch (base_reg) {
 			case 5:
+			case 13:
 				if (c->modrm_mod != 0)
 					c->modrm_ea += c->regs[base_reg];
 				else
@@ -767,6 +768,7 @@
 			}
 			break;
 		case 5:
+		case 13:
 			if (c->modrm_mod != 0)
 				c->modrm_ea += c->regs[c->modrm_rm];
 			else if (ctxt->mode == X86EMUL_MODE_PROT64)