diff --git a/include/psa/crypto_compat.h b/include/psa/crypto_compat.h
index 7228b2a..5bb5669 100644
--- a/include/psa/crypto_compat.h
+++ b/include/psa/crypto_compat.h
@@ -73,6 +73,7 @@
 typedef MBEDTLS_PSA_DEPRECATED psa_dh_family_t mbedtls_deprecated_psa_dh_family_t;
 typedef MBEDTLS_PSA_DEPRECATED psa_ecc_family_t psa_ecc_curve_t;
 typedef MBEDTLS_PSA_DEPRECATED psa_dh_family_t psa_dh_group_t;
+typedef MBEDTLS_PSA_DEPRECATED psa_algorithm_t mbedtls_deprecated_psa_algorithm_t;
 
 #define PSA_KEY_TYPE_GET_CURVE PSA_KEY_TYPE_ECC_GET_FAMILY
 #define PSA_KEY_TYPE_GET_GROUP PSA_KEY_TYPE_DH_GET_FAMILY
@@ -240,15 +241,15 @@
 #define PSA_DH_GROUP_CUSTOM \
     MBEDTLS_DEPRECATED_CONSTANT( psa_dh_family_t, PSA_DH_FAMILY_CUSTOM )
 
-#endif /* MBEDTLS_DEPRECATED_REMOVED */
-
 /*
  * Deprecated PSA Crypto stream cipher algorithms (PSA Crypto API  <= 1.0 beta3)
  */
 #define PSA_ALG_ARC4 \
-    PSA_ALG_STREAM_CIPHER
+    MBEDTLS_DEPRECATED_CONSTANT( psa_algorithm_t, PSA_ALG_STREAM_CIPHER )
 #define PSA_ALG_CHACHA20 \
-    PSA_ALG_STREAM_CIPHER
+    MBEDTLS_DEPRECATED_CONSTANT( psa_algorithm_t, PSA_ALG_STREAM_CIPHER )
+
+#endif /* MBEDTLS_DEPRECATED_REMOVED */
 
 /** Open a handle to an existing persistent key.
  *
diff --git a/include/psa/crypto_sizes.h b/include/psa/crypto_sizes.h
index 4dc8ad4..3df01b2 100644
--- a/include/psa/crypto_sizes.h
+++ b/include/psa/crypto_sizes.h
@@ -735,7 +735,7 @@
          (alg) == PSA_ALG_CBC_NO_PADDING || \
          (alg) == PSA_ALG_CBC_PKCS7) ? PSA_BLOCK_CIPHER_BLOCK_SIZE(key_type) : \
      (key_type) == PSA_KEY_TYPE_CHACHA20 && \
-         (alg) == PSA_ALG_CHACHA20 ? 12 : \
+         (alg) == PSA_ALG_STREAM_CIPHER ? 12 : \
      0)
 
 /** The maximum IV size for all supported cipher algorithms, in bytes.