diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPss.c b/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPss.c
index 4009d37d5f..0b2960f06c 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPss.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPss.c
@@ -82,6 +82,7 @@ RsaPssVerify (
   EVP_PKEY_CTX *KeyCtx;
   CONST EVP_MD  *HashAlg;
 
+  Result = FALSE;
   EvpRsaKey = NULL;
   EvpVerifyCtx = NULL;
   KeyCtx = NULL;
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPssSign.c b/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPssSign.c
index b66b6f7296..ece765f9ae 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPssSign.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptRsaPssSign.c
@@ -97,6 +97,7 @@ RsaPssSign (
   EVP_PKEY_CTX          *KeyCtx;
   CONST EVP_MD          *HashAlg;
 
+  Result = FALSE;
   EvpRsaKey = NULL;
   EvpVerifyCtx = NULL;
   KeyCtx = NULL;