diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index 7b01328ffe..ab65a6ebe5 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -1145,7 +1145,7 @@ static void set_seg(struct kvm_segment *lhs, const SegmentCache *rhs)
     lhs->l = (flags >> DESC_L_SHIFT) & 1;
     lhs->g = (flags & DESC_G_MASK) != 0;
     lhs->avl = (flags & DESC_AVL_MASK) != 0;
-    lhs->unusable = 0;
+    lhs->unusable = !lhs->present;
     lhs->padding = 0;
 }
 
@@ -1154,14 +1154,18 @@ static void get_seg(SegmentCache *lhs, const struct kvm_segment *rhs)
     lhs->selector = rhs->selector;
     lhs->base = rhs->base;
     lhs->limit = rhs->limit;
-    lhs->flags = (rhs->type << DESC_TYPE_SHIFT) |
-                 (rhs->present * DESC_P_MASK) |
-                 (rhs->dpl << DESC_DPL_SHIFT) |
-                 (rhs->db << DESC_B_SHIFT) |
-                 (rhs->s * DESC_S_MASK) |
-                 (rhs->l << DESC_L_SHIFT) |
-                 (rhs->g * DESC_G_MASK) |
-                 (rhs->avl * DESC_AVL_MASK);
+    if (rhs->unusable) {
+        lhs->flags = 0;
+    } else {
+        lhs->flags = (rhs->type << DESC_TYPE_SHIFT) |
+                     (rhs->present * DESC_P_MASK) |
+                     (rhs->dpl << DESC_DPL_SHIFT) |
+                     (rhs->db << DESC_B_SHIFT) |
+                     (rhs->s * DESC_S_MASK) |
+                     (rhs->l << DESC_L_SHIFT) |
+                     (rhs->g * DESC_G_MASK) |
+                     (rhs->avl * DESC_AVL_MASK);
+    }
 }
 
 static void kvm_getput_reg(__u64 *kvm_reg, target_ulong *qemu_reg, int set)