diff --git a/src/arch/x86/kvm/x86_cpu.cc b/src/arch/x86/kvm/x86_cpu.cc
index af041a5066..49274da110 100644
--- a/src/arch/x86/kvm/x86_cpu.cc
+++ b/src/arch/x86/kvm/x86_cpu.cc
@@ -741,12 +741,7 @@ setKvmSegmentReg(ThreadContext *tc, struct kvm_segment &kvm_seg,
     kvm_seg.l = attr.longMode;
     kvm_seg.g = attr.granularity;
     kvm_seg.avl = attr.avl;
-
-    // A segment is normally unusable when the selector is zero. There
-    // is a attr.unusable flag in gem5, but it seems unused. qemu
-    // seems to set this to 0 all the time, so we just do the same and
-    // hope for the best.
-    kvm_seg.unusable = 0;
+    kvm_seg.unusable = attr.unusable;
 }
 
 static inline void