diff --git a/StandaloneMmPkg/Core/StandaloneMmCore.c b/StandaloneMmPkg/Core/StandaloneMmCore.c
index c6f8886750..14e76fa67e 100644
--- a/StandaloneMmPkg/Core/StandaloneMmCore.c
+++ b/StandaloneMmPkg/Core/StandaloneMmCore.c
@@ -703,6 +703,7 @@ StandaloneMmMain (
   CopyMem (MmHobStart, HobStart, HobSize);
   Status = MmInstallConfigurationTable (&gMmCoreMmst, &gEfiHobListGuid, MmHobStart, HobSize);
   ASSERT_EFI_ERROR (Status);
+  gHobList = MmHobStart;
 
   //
   // Register notification for EFI_MM_CONFIGURATION_PROTOCOL registration and