diff --git a/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c b/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c
index 37ba341e60..23bf2026d4 100644
--- a/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c
+++ b/MdeModulePkg/Universal/CapsulePei/UefiCapsule.c
@@ -574,6 +574,7 @@ GetCapsuleDescriptors (
   TempVarName       = NULL;
   CapsuleVarName[0] = 0;
   ValidIndex        = 0;
+  CapsuleDataPtr64  = 0;
   
   Status = PeiServicesLocatePpi (
               &gEfiPeiReadOnlyVariable2PpiGuid,
@@ -745,6 +746,7 @@ CapsuleCoalesce (
   Index                   = 0;
   VariableCount           = 0;
   CapsuleVarName[0]       = 0;
+  CapsuleDataPtr64        = 0;
 
   //
   // Someone should have already ascertained the boot mode. If it's not