diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index 11b9c854b5..8c73438c67 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -1567,6 +1567,13 @@ int kvm_arch_init_vcpu(CPUState *cs)
             c->function = i;
             c->flags = 0;
             cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx);
+            if (!c->eax && !c->ebx && !c->ecx && !c->edx) {
+                /*
+                 * KVM already returns all zeroes if a CPUID entry is missing,
+                 * so we can omit it and avoid hitting KVM's 80-entry limit.
+                 */
+                cpuid_i--;
+            }
             break;
         }
     }
@@ -1631,6 +1638,13 @@ int kvm_arch_init_vcpu(CPUState *cs)
             c->function = i;
             c->flags = 0;
             cpu_x86_cpuid(env, i, 0, &c->eax, &c->ebx, &c->ecx, &c->edx);
+            if (!c->eax && !c->ebx && !c->ecx && !c->edx) {
+                /*
+                 * KVM already returns all zeroes if a CPUID entry is missing,
+                 * so we can omit it and avoid hitting KVM's 80-entry limit.
+                 */
+                cpuid_i--;
+            }
             break;
         }
     }