diff --git a/wolfcrypt/src/pkcs7.c b/wolfcrypt/src/pkcs7.c
index ed3745ee1..997fd4f06 100644
--- a/wolfcrypt/src/pkcs7.c
+++ b/wolfcrypt/src/pkcs7.c
@@ -2597,6 +2597,8 @@ static int wc_PKCS7_EncodeContentStream(PKCS7* pkcs7, ESD* esd, void* aes,
                 int szLeft = BER_OCTET_LENGTH;
 
                 if (in == NULL) {
+                    XFREE(encContentOut, heap, DYNAMIC_TYPE_PKCS7);
+                    XFREE(contentData, heap, DYNAMIC_TYPE_PKCS7);
                     return BAD_FUNC_ARG;
                 }