diff --git a/Chipmunk2D-7.0.2/src/cpHastySpace.c b/Chipmunk2D-7.0.2/src/cpHastySpace.c
--- a/Chipmunk2D-7.0.2/src/cpHastySpace.c
+++ b/Chipmunk2D-7.0.2/src/cpHastySpace.c
@@ -7,8 +7,12 @@
 //TODO: Move all the thread stuff to another file
 
 //#include <sys/param.h >
-#ifndef _WIN32
+
+#ifdef __APPLE__
 #include <sys/sysctl.h>
+#endif
+
+#ifndef _WIN32
 #include <pthread.h>
 #else
 #ifndef WIN32_LEAN_AND_MEAN
diff --git a/chiphunk.cabal b/chiphunk.cabal
--- a/chiphunk.cabal
+++ b/chiphunk.cabal
@@ -1,13 +1,13 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.31.2.
+-- This file has been generated from package.yaml by hpack version 0.33.0.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 2ad0ea8a28a41b5969685566dd3f472c558141b895393055c85b73f670c63421
+-- hash: 3b21f15c38f8966ef0527241feb3899a7e824712920c28672784293c6a71c98b
 
 name:           chiphunk
-version:        0.1.2.1
+version:        0.1.2.2
 synopsis:       Haskell bindings for Chipmunk2D physics engine
 description:    Please see the README on GitHub at <https://github.com/CthulhuDen/chiphunk#readme>
 category:       Physics