1 files changed, 1 insertions, 1 deletions
diff --git a/nist/encrypt.c b/nist/encrypt.c
index a33a2f5..d402d53 100644
--- a/nist/encrypt.c
+++ b/nist/encrypt.c
@@ -40,7 +40,7 @@ int crypto_aead_decrypt(
     );
 
     if (!valid)
-        return 1;
+        return -1;
 
     *mlen = tagless_len;