diff --git a/src/Control/Concurrent/Chan/Unagi/Unboxed/Internal.hs b/src/Control/Concurrent/Chan/Unagi/Unboxed/Internal.hs
--- a/src/Control/Concurrent/Chan/Unagi/Unboxed/Internal.hs
+++ b/src/Control/Concurrent/Chan/Unagi/Unboxed/Internal.hs
@@ -88,7 +88,7 @@
 nullAddr :: Addr
 nullAddr = P.nullPtr
 #else
-import qualified Data.Primitive (Addr, nullAddr)
+import Data.Primitive (Addr, nullAddr)
 #endif
 
 -- | The write end of a channel created with 'newChan'.
diff --git a/unagi-chan.cabal b/unagi-chan.cabal
--- a/unagi-chan.cabal
+++ b/unagi-chan.cabal
@@ -1,5 +1,5 @@
 name:                unagi-chan
-version:             0.4.1.1
+version:             0.4.1.2
 
 synopsis:            Fast concurrent queues with a Chan-like API, and more