diff --git a/contrib/osx/Tor b/contrib/osx/Tor
index 2162617f30..7ecd721597 100755
--- a/contrib/osx/Tor
+++ b/contrib/osx/Tor
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+export EVENT_NOKQUEUE=1 # assume kqueue broken on all os x machines for now.
 TORLOC=/Library/StartupItems/Tor/Tor.loc
 
 if [ -f $TORLOC ]; then