diff --git a/virtualenvwrapper.sh b/virtualenvwrapper.sh
index cf43626..edd9631 100644
--- a/virtualenvwrapper.sh
+++ b/virtualenvwrapper.sh
@@ -759,16 +759,14 @@ function workon {
     # before switching so we use our override function,
     # if it exists, but make sure it's the deactivate function
     # we set up
-    type deactivate >/dev/null 2>&1
-    if [ $? -eq 0 ]
-    then
+    ! type deactivate >/dev/null 2>&1 || {
         typeset -f deactivate | grep 'typeset env_postdeactivate_hook' >/dev/null 2>&1
         if [ $? -eq 0 ]
         then
             deactivate
             unset -f deactivate >/dev/null 2>&1
         fi
-    fi
+    }
 
     virtualenvwrapper_run_hook "pre_activate" "$env_name"