diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index ce3c52fd0f7d..d07dfc714a3c 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -5320,8 +5320,7 @@ static int kvm_get_nested_state(X86CPU *cpu)
     return ret;
 }
 
-#define KVM_X86_REG_SYNTHETIC_MSR   BIT_ULL(35)
-#define REG_MSR_INDEX(x)            (KVM_X86_REG_SYNTHETIC_MSR | x)
+#define KVM_X86_REG_SSP     (0x20300003ULL << 32 | 0x00000000)
 
 static bool has_cet_ssp(CPUState *cpu)
 {
@@ -5409,9 +5408,9 @@ int kvm_arch_put_registers(CPUState *cpu, int level, Error **errp)
     }
 
     if (has_cet_ssp(cpu)) {
-        ret = kvm_set_one_reg(cpu, REG_MSR_INDEX(0ull), &env->guest_ssp);
+        ret = kvm_set_one_reg(cpu, KVM_X86_REG_SSP, &env->guest_ssp);
         if (ret) {
-            error_report("Failed to set KVM_REG_MSR, ret = %d\n", ret);
+            error_report("Failed to set KVM_REG_MSR, ret = %d", ret);
         }
     }
 
@@ -5489,9 +5488,9 @@ int kvm_arch_get_registers(CPUState *cs, Error **errp)
         goto out;
     }
     if (has_cet_ssp(cs)) {
-        ret = kvm_get_one_reg(cs, REG_MSR_INDEX(0ull), &env->guest_ssp);
+        ret = kvm_get_one_reg(cs, KVM_X86_REG_SSP, &env->guest_ssp);
         if (ret) {
-                error_report("Failed to get KVM_REG_MSR, ret = %d\n", ret);
+                error_report("Failed to get KVM_REG_MSR, ret = %d", ret);
         }
     }
     ret = kvm_get_apic(cpu);