diff --git a/tests/src/test_helpers/ssl_helpers.c b/tests/src/test_helpers/ssl_helpers.c
index e8bbc78..6027671 100644
--- a/tests/src/test_helpers/ssl_helpers.c
+++ b/tests/src/test_helpers/ssl_helpers.c
@@ -1143,10 +1143,10 @@
     cipher_info = mbedtls_cipher_info_from_type(cipher_type);
     CHK(cipher_info != NULL);
     CHK(cipher_info->iv_size <= 16);
-    CHK(cipher_info->key_bitlen % 8 == 0);
+    CHK(mbedtls_cipher_info_get_key_bitlen(cipher_info) % 8 == 0);
 
     /* Pick keys */
-    keylen = cipher_info->key_bitlen / 8;
+    keylen = mbedtls_cipher_info_get_key_bitlen(cipher_info) / 8;
     /* Allocate `keylen + 1` bytes to ensure that we get
      * a non-NULL pointers from `mbedtls_calloc` even if
      * `keylen == 0` in the case of the NULL cipher. */
diff --git a/tests/suites/test_suite_cipher.function b/tests/suites/test_suite_cipher.function
index f842045..aa2849b 100644
--- a/tests/suites/test_suite_cipher.function
+++ b/tests/suites/test_suite_cipher.function
@@ -586,12 +586,12 @@
     ASSERT_ALLOC(iv, iv_len);
     memset(iv, 0, iv_len);
 
-    TEST_ASSERT(sizeof(key) * 8 >= cipher_info->key_bitlen);
+    TEST_ASSERT(sizeof(key) * 8 >= mbedtls_cipher_info_get_key_bitlen(cipher_info));
 
     TEST_ASSERT(0 == mbedtls_cipher_setup(&ctx_dec, cipher_info));
 
     TEST_ASSERT(0 == mbedtls_cipher_setkey(&ctx_dec,
-                                           key, cipher_info->key_bitlen,
+                                           key, mbedtls_cipher_info_get_key_bitlen(cipher_info),
                                            MBEDTLS_DECRYPT));
 
     TEST_ASSERT(0 == mbedtls_cipher_set_iv(&ctx_dec, iv, iv_len));