diff --git a/cryptonite.cabal b/cryptonite.cabal
index 7f91e61..4e3b4cc 100644
--- a/cryptonite.cabal
+++ b/cryptonite.cabal
@@ -226,6 +226,8 @@ Library
                    , foundation >= 0.0.8
                    , ghc-prim
   ghc-options:       -Wall -fwarn-tabs -optc-O3 -fno-warn-unused-imports
+  if os(linux)
+    extra-libraries: pthread
   default-language:  Haskell2010
   cc-options:        -std=gnu99
   if flag(old_toolchain_inliner)