diff --git a/src/arch/x86/tlb.cc b/src/arch/x86/tlb.cc
index be43cb06e..0e0878669 100644
--- a/src/arch/x86/tlb.cc
+++ b/src/arch/x86/tlb.cc
@@ -235,7 +235,8 @@ TLB::finalizePhysical(RequestPtr req, ThreadContext *tc, Mode mode) const
 
     if (m5opRange.contains(paddr)) {
         if (m5opRange.contains(paddr)) {
-            req->setFlags(Request::MMAPPED_IPR | Request::GENERIC_IPR);
+            req->setFlags(Request::MMAPPED_IPR | Request::GENERIC_IPR |
+                          Request::STRICT_ORDER);
             req->setPaddr(GenericISA::iprAddressPseudoInst(
                             (paddr >> 8) & 0xFF,
                             paddr & 0xFF));