diff --git a/SecurityPkg/RandomNumberGenerator/RngDxe/Rand/RngDxe.c b/SecurityPkg/RandomNumberGenerator/RngDxe/Rand/RngDxe.c
index 5723ed6957..8b0742bab6 100644
--- a/SecurityPkg/RandomNumberGenerator/RngDxe/Rand/RngDxe.c
+++ b/SecurityPkg/RandomNumberGenerator/RngDxe/Rand/RngDxe.c
@@ -23,6 +23,7 @@
 
 #include <Library/BaseLib.h>
 #include <Library/BaseMemoryLib.h>
+#include <Library/RngLib.h>
 
 #include "RngDxeInternals.h"
 
@@ -43,7 +44,12 @@ GetAvailableAlgorithms (
   VOID
   )
 {
-  mAvailableAlgoArrayCount = RNG_ALGORITHM_COUNT;
+  UINT64  RngTest;
+
+  if (GetRandomNumber64 (&RngTest)) {
+    mAvailableAlgoArrayCount = RNG_ALGORITHM_COUNT;
+  }
+
   return EFI_SUCCESS;
 }