diff --git a/tests/suites/test_suite_cmac.function b/tests/suites/test_suite_cmac.function
index 4597550..71b5f00 100644
--- a/tests/suites/test_suite_cmac.function
+++ b/tests/suites/test_suite_cmac.function
@@ -113,6 +113,8 @@
                 != NULL);
     TEST_LE_U(mbedtls_cipher_info_get_block_size(cipher_info),
               MBEDTLS_CIPHER_BLKSIZE_MAX);
+    TEST_LE_U(mbedtls_cipher_info_get_block_size(cipher_info),
+              MBEDTLS_CMAC_MAX_BLOCK_SIZE);
 
     memset(buf, 0x2A, sizeof(buf));
     TEST_ASSERT((result == mbedtls_cipher_cmac(cipher_info, key, key_size,