diff --git a/lens.cabal b/lens.cabal
--- a/lens.cabal
+++ b/lens.cabal
@@ -1,6 +1,6 @@
 name:          lens
 category:      Data, Lenses
-version:       3.8.7
+version:       3.8.7.1
 license:       BSD3
 cabal-version: >= 1.8
 license-file:  LICENSE
diff --git a/src/Control/Lens/Internal/ByteString.hs b/src/Control/Lens/Internal/ByteString.hs
--- a/src/Control/Lens/Internal/ByteString.hs
+++ b/src/Control/Lens/Internal/ByteString.hs
@@ -39,7 +39,7 @@
 import Data.Word (Word8)
 import Foreign.Ptr
 import Foreign.Storable
-#ifdef MIN_VERSION_base(4,4,0)
+#if MIN_VERSION_base(4,4,0)
 import Foreign.ForeignPtr.Safe
 import Foreign.ForeignPtr.Unsafe
 #else