diff --git a/Assistant/Threads/NetWatcher.hs b/Assistant/Threads/NetWatcher.hs
index a7124fa01c..0b009647c1 100644
--- a/Assistant/Threads/NetWatcher.hs
+++ b/Assistant/Threads/NetWatcher.hs
@@ -24,8 +24,10 @@ import DBus
 import Data.Word (Word32)
 import Assistant.NetMessager
 #else
+#ifdef linux_HOST_OS
 #warning Building without dbus support; will poll for network connection changes
 #endif
+#endif
 
 netWatcherThread :: NamedThread
 #if WITH_DBUS