diff --git a/System/Posix/Signals.hsc b/System/Posix/Signals.hsc
index a284d4805a94a36d63b896976bf7a044437e33b2..e56a4256583d7d54bfb8888d4da07e7bfa169072 100644
--- a/System/Posix/Signals.hsc
+++ b/System/Posix/Signals.hsc
@@ -299,7 +299,7 @@ foreign import ccall unsafe "killpg"
 raiseSignal :: Signal -> IO ()
 raiseSignal sig = throwErrnoIfMinus1_ "raiseSignal" (c_raise sig)
 
-#if defined(__GLASGOW_HASKELL__) && (defined(openbsd_HOST_OS) || defined(freebsd_HOST_OS) || defined(dragonfly_HOST_OS))
+#if defined(__GLASGOW_HASKELL__) && (defined(openbsd_HOST_OS) || defined(freebsd_HOST_OS) || defined(dragonfly_HOST_OS)) || defined(netbsd_HOST_OS)
 foreign import ccall unsafe "genericRaise"
   c_raise :: CInt -> IO CInt
 #else