diff --git a/OvmfPkg/ResetVector/Ia32/PageTables64.asm b/OvmfPkg/ResetVector/Ia32/PageTables64.asm
index 07b6ca0709..02528221e5 100644
--- a/OvmfPkg/ResetVector/Ia32/PageTables64.asm
+++ b/OvmfPkg/ResetVector/Ia32/PageTables64.asm
@@ -42,10 +42,6 @@ BITS    32
 ;
 SetCr3ForPageTables64:
 
-    ; Clear the WorkArea header. The SEV probe routines will populate the
-    ; work area when detected.
-    mov     byte[WORK_AREA_GUEST_TYPE], 0
-
     ; Check whether the SEV is active and populate the SevEsWorkArea
     OneTimeCall   CheckSevFeatures
 
diff --git a/OvmfPkg/ResetVector/Main.asm b/OvmfPkg/ResetVector/Main.asm
index ae90a148fc..bbfeac1c88 100644
--- a/OvmfPkg/ResetVector/Main.asm
+++ b/OvmfPkg/ResetVector/Main.asm
@@ -36,6 +36,10 @@ Main16:
 
 BITS    32
 
+    ; Clear the WorkArea header. The SEV probe routines will populate the
+    ; work area when detected.
+    mov     byte[WORK_AREA_GUEST_TYPE], 0
+
     ;
     ; Search for the Boot Firmware Volume (BFV)
     ;