diff --git a/tests/ucl.nim b/tests/ucl.nim
index 5e4a55e..d209128 100644
--- a/tests/ucl.nim
+++ b/tests/ucl.nim
@@ -1,8 +1,8 @@
 when not declared(stdin): import std/[syncio, formatfloat]
 import std/[hashes, times], cligen, cligen/[mslice, osUt], adix/oats
 
-const bLen {.intdefine.} = 10   # <1024 long; RT limits nicer but harder
-const bOff {.intdefine.} = 22   # <4MiB UNIQUE line data
+const bLen {.intdefine.} =  8   # <256 long; RT limits nicer but harder
+const bOff {.intdefine.} = 24   # <16MiB UNIQUE line data
 type
   Count {.packed.} = object     # Dense-ish hash Count type
     when defined hashCache: hc: uint32 # 4B|8B per cell