diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 66c8f65..e1fce90 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -6593,7 +6593,7 @@
         default:
             /* We found an unsupported transaction in the storage.
              * We don't know what state the storage is in. Give up. */
-            return( PSA_ERROR_STORAGE_FAILURE );
+            return( PSA_ERROR_DATA_INVALID );
     }
 }
 #endif /* PSA_CRYPTO_STORAGE_HAS_TRANSACTIONS */