diff --git a/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm b/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm
index 2df0f12e18..c761e9d307 100644
--- a/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm
+++ b/OvmfPkg/XenResetVector/Ia32/XenPVHMain.asm
@@ -73,7 +73,7 @@ xenPVHMain:
     ;
     ; parameter for Flat32SearchForBfvBase
     ;
-    mov     eax, ADDR_OF(fourGigabytes)
+    mov     eax, 0   ; ADDR_OF(fourGigabytes)
     add     eax, edx ; add delta
 
     ;