diff --git a/src/ssl.c b/src/ssl.c
index df1310cf5..ba2886615 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -44536,6 +44536,7 @@ WOLFSSL_RSA* wolfSSL_d2i_RSAPrivateKey_bio(WOLFSSL_BIO *bio, WOLFSSL_RSA **out)
         const byte* bioMemPt = bioMem; /* leave bioMem pointer unaltered */
         if ((key = wolfSSL_d2i_RSAPrivateKey(NULL, &bioMemPt, bioMemSz)) == NULL) {
             XFREE((unsigned char*)bioMem, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
+            XFREE((unsigned char*)maxKeyBuf, bio->heap, DYNAMIC_TYPE_TMP_BUFFER);
             return NULL;
         }