1 files changed, 1 insertions, 0 deletions
diff --git a/sse/blake2xs.c b/sse/blake2xs.c
index de420fa..625693e 100644
--- a/sse/blake2xs.c
+++ b/sse/blake2xs.c
@@ -104,6 +104,7 @@ int blake2xs_final(blake2xs_state *S, void *out, size_t outlen) {
   /* Set common block structure values */
   /* Copy values from parent instance, and only change the ones below */
   memcpy(P, S->P, sizeof(blake2s_param));
+  P->key_length = 0;
   P->fanout = 0;
   P->depth = 0;
   store32(&P->leaf_length, BLAKE2S_OUTBYTES);