diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7.c b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7.c
index ec6aa005ac..218e7ac2ef 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptPkcs7.c
@@ -670,6 +670,8 @@ Pkcs7Verify (
   if (!Status) {
     return Status;
   }
+
+  Status = FALSE;
   
   //
   // Retrieve PKCS#7 Data (DER encoding)