diff --git a/include/mbedtls/psa_util.h b/include/mbedtls/psa_util.h
index 691ff3c..6e14d56 100644
--- a/include/mbedtls/psa_util.h
+++ b/include/mbedtls/psa_util.h
@@ -59,6 +59,7 @@
         case MBEDTLS_CIPHER_AES_128_CBC:
         case MBEDTLS_CIPHER_AES_192_CBC:
         case MBEDTLS_CIPHER_AES_256_CBC:
+        case MBEDTLS_CIPHER_AES_128_ECB:
             return( PSA_KEY_TYPE_AES );
 
         /* ARIA not yet supported in PSA. */