diff --git a/time.cabal b/time.cabal
index a30fc45da0c178cac5c2eca7f4699a28a018c886..0a0ecb92f357a0ce514032b11b097a05acc471ca 100644
--- a/time.cabal
+++ b/time.cabal
@@ -160,6 +160,8 @@ test-suite test-main
         Test.LocalTime.TimeRef
 
 test-suite test-unix
+    if os(windows)
+        buildable: false
     type: exitcode-stdio-1.0
     hs-source-dirs: test/unix
     default-language: Haskell2010