diff --git a/SecurityPkg/Library/DxeImageAuthenticationStatusLib/DxeImageAuthenticationStatusLib.c b/SecurityPkg/Library/DxeImageAuthenticationStatusLib/DxeImageAuthenticationStatusLib.c
index 9d3103639c..bc1acd1fed 100644
--- a/SecurityPkg/Library/DxeImageAuthenticationStatusLib/DxeImageAuthenticationStatusLib.c
+++ b/SecurityPkg/Library/DxeImageAuthenticationStatusLib/DxeImageAuthenticationStatusLib.c
@@ -44,8 +44,8 @@ DxeImageAuthenticationStatusHandler (
   IN  BOOLEAN                          BootPolicy
   )
 {
-  if (AuthenticationStatus & EFI_AUTH_STATUS_IMAGE_SIGNED) {
-    if (AuthenticationStatus & (EFI_AUTH_STATUS_TEST_FAILED | EFI_AUTH_STATUS_NOT_TESTED)) {
+  if ((AuthenticationStatus & EFI_AUTH_STATUS_IMAGE_SIGNED) != 0) {
+    if ((AuthenticationStatus & (EFI_AUTH_STATUS_TEST_FAILED | EFI_AUTH_STATUS_NOT_TESTED)) != 0) {
       return EFI_ACCESS_DENIED;
     }
   }