diff --git a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
index 3324dba0af..c3793b9429 100644
--- a/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
+++ b/SecurityPkg/Library/DxeImageVerificationLib/DxeImageVerificationLib.c
@@ -1662,7 +1662,7 @@ DxeImageVerificationHandler (
   //
   for (OffSet = SecDataDir->VirtualAddress;
        OffSet < (SecDataDir->VirtualAddress + SecDataDir->Size);
-       OffSet += WinCertificate->dwLength, OffSet += ALIGN_SIZE (OffSet)) {
+       OffSet += (WinCertificate->dwLength + ALIGN_SIZE (WinCertificate->dwLength))) {
     WinCertificate = (WIN_CERTIFICATE *) (mImageBase + OffSet);
     if ((SecDataDir->VirtualAddress + SecDataDir->Size - OffSet) <= sizeof (WIN_CERTIFICATE) ||
         (SecDataDir->VirtualAddress + SecDataDir->Size - OffSet) < WinCertificate->dwLength) {