diff --git a/include/psa/crypto_values.h b/include/psa/crypto_values.h
index 40172b3..2ee8839 100644
--- a/include/psa/crypto_values.h
+++ b/include/psa/crypto_values.h
@@ -1442,7 +1442,7 @@
 
 /** The minimum value for a key identifier chosen by the application.
  */
-#define PSA_KEY_ID_USER_MIN                     ((psa_key_id_t)0x00000000)
+#define PSA_KEY_ID_USER_MIN                     ((psa_key_id_t)0x00000001)
 /** The minimum value for a key identifier chosen by the application.
  */
 #define PSA_KEY_ID_USER_MAX                     ((psa_key_id_t)0x3fffffff)