diff --git a/src/arch/x86/process.cc b/src/arch/x86/process.cc
index cdcee31e7c..e11d563f99 100644
--- a/src/arch/x86/process.cc
+++ b/src/arch/x86/process.cc
@@ -326,7 +326,7 @@ X86_64Process::initState()
 
             tc->setMiscReg(MISCREG_TR, tssSel);
             tc->setMiscReg(MISCREG_TR_BASE, tss_base_addr);
-            tc->setMiscReg(MISCREG_TR_EFF_BASE, 0);
+            tc->setMiscReg(MISCREG_TR_EFF_BASE, tss_base_addr);
             tc->setMiscReg(MISCREG_TR_LIMIT, tss_limit);
             tc->setMiscReg(MISCREG_TR_ATTR, tss_attr);