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-rw-r--r--src/Machine.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Machine.hs b/src/Machine.hs
index 537c2fc..f28685f 100644
--- a/src/Machine.hs
+++ b/src/Machine.hs
@@ -6,7 +6,7 @@ import qualified Data.Vector.Unboxed as V
import qualified Data.Vector.Unboxed.Mutable as VM
import Prelude hiding (Word)
import Data.Word (Word32, Word16, Word8)
-import Data.Bits (testBit)
+import Data.Bits (testBit, setBit, clearBit)
import Data.IORef
import Control.Monad
import Control.Monad.IO.Class (liftIO)