diff --git a/lib/termsupport.zsh b/lib/termsupport.zsh
index 22e7f372f..8909a400c 100644
--- a/lib/termsupport.zsh
+++ b/lib/termsupport.zsh
@@ -23,7 +23,7 @@ function precmd {
 #Appears at the beginning of (and during) of command execution
 function preexec {
   emulate -L zsh
-  setopt extended_glob
+  setopt extendedglob
   local CMD=${1[(wr)^(*=*|sudo|ssh|-*)]} #cmd name only, or if this is sudo or ssh, the next cmd
   title "$CMD" "%100>...>$2%<<"
 }
diff --git a/plugins/osx/osx.plugin.zsh b/plugins/osx/osx.plugin.zsh
index 682bb2667..b77c93804 100644
--- a/plugins/osx/osx.plugin.zsh
+++ b/plugins/osx/osx.plugin.zsh
@@ -77,7 +77,7 @@ function quick-look() {
 }
 
 function man-preview() {
-  man -t "$@" | open -f -a Preview
+  man -t dvi "$@" | open -f -a Preview
 }
 
 function trash() {