diff --git a/src/ssl.c b/src/ssl.c
index 4191557cf..cecc7feba 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -3855,7 +3855,7 @@ WOLFSSL_ABI
 int wolfSSL_UseALPN(WOLFSSL* ssl, char *protocol_name_list,
                     word32 protocol_name_listSz, byte options)
 {
-    char    *list, *ptr, **token;
+    char    *list, *ptr = NULL, **token;
     word16  len;
     int     idx = 0;
     int     ret = WC_NO_ERR_TRACE(WOLFSSL_FAILURE);
diff --git a/tests/api.c b/tests/api.c
index 92272d02e..f0b1169f8 100644
--- a/tests/api.c
+++ b/tests/api.c
@@ -47339,7 +47339,7 @@ static int test_sk_X509_CRL(void)
 #endif
     WOLFSSL_X509_REVOKED revoked;
     WOLFSSL_ASN1_INTEGER* asnInt = NULL;
-    const WOLFSSL_ASN1_INTEGER* sn;
+    const WOLFSSL_ASN1_INTEGER* sn = NULL;
 
 #if (!defined(NO_FILESYSTEM) && !defined(NO_STDIO_FILESYSTEM)) || \
     !defined(NO_BIO)
@@ -56468,7 +56468,7 @@ static int test_wolfSSL_EC_KEY_private_key(void)
     WOLFSSL_EC_KEY* key = NULL;
     WOLFSSL_BIGNUM* priv = NULL;
     WOLFSSL_BIGNUM* priv2 = NULL;
-    WOLFSSL_BIGNUM* bn;
+    WOLFSSL_BIGNUM* bn = NULL;
 
     ExpectNotNull(key = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1));
     ExpectNotNull(priv = wolfSSL_BN_new());