diff --git a/src/agent.jazz b/src/agent.jazz
index ddf4acd..2a8aa93 100644
--- a/src/agent.jazz
+++ b/src/agent.jazz
@@ -58,7 +58,7 @@ inline fn x25519(reg u64 shared_mem sync_mem private_mem) {
     pkptr = extract_nth_ptr(sync_mem, shared_mem, 2);
 
     keyid = (u64)[idptr];
-    keyid *= 8;
+    keyid *= 32;
     keyptr = private_mem + keyid;
 
     jade_scalarmult_curve25519_amd64_mulx(outptr, keyptr, pkptr);