1 files changed, 1 insertions, 1 deletions

diff --git a/lifted-concurrent/src/Control/Concurrent/Lifted/Instrument.hs b/lifted-concurrent/src/Control/Concurrent/Lifted/Instrument.hs
index adce64ba..0b608213 100644
--- a/lifted-concurrent/src/Control/Concurrent/Lifted/Instrument.hs
+++ b/lifted-concurrent/src/Control/Concurrent/Lifted/Instrument.hs
@@ -44,7 +44,7 @@ data PerThread = PerThread
 
 {-# NOINLINE globalMVarArray #-}
 globalMVarArray :: Vector (MVar (Map.Map ThreadId PerThread))
-globalMVarArray = unsafePerformIO (sequence (V.replicate 256 (newMVar Map.empty)))
+globalMVarArray = unsafePerformIO (sequence (V.replicate 128 (newMVar Map.empty)))
 
 data GlobalState = GlobalState
  { reportException :: String -> IO ()