diff --git a/setopt b/setopt
index a45f54c..8215731 100644
--- a/setopt
+++ b/setopt
@@ -2,12 +2,50 @@ autoload -U compinit promptinit
 autoload -U colors && colors
 compinit -d ${HOME}/.cache/.zcompdump
 promptinit
+
+#Check sanity of configuration values, and warn user if they are outdated/don't exist
+if [ -z ${AUTO_CD+x} ]
+then
+  printf "AUTO_CD is unset! Check example_configs/zsh.conf for the latest options.\nDefaulting $(tput setaf 2)$(tput bold)AUTO_CD$(tput sgr0) to $(tput setaf 3)$(tput bold)true$(tput sgr0).\n\n"
+  AUTO_CD=true
+fi
+
+if [ -z ${HISTORY_HIDE_SPACE+x} ]
+then
+  printf "HISTORY_HIDE_SPACE is unset! Check example_configs/zsh.conf for the latest options.\nDefaulting $(tput setaf 2)$(tput bold)HISTORY_HIDE_SPACE$(tput sgr0) to $(tput setaf 3)$(tput bold)true$(tput sgr0).\n\n"
+  HISTORY_HIDE_SPACE=true
+fi
+
+if [ -z ${HISTORY_NO_DUPS+x} ]
+then
+  printf "HISTORY_NO_DUPS is unset! Check example_configs/zsh.conf for the latest options.\nDefaulting $(tput setaf 2)$(tput bold)HISTORY_NO_DUPS$(tput sgr0) to $(tput setaf 3)$(tput bold)true$(tput sgr0).\n\n"
+  HISTORY_NO_DUPS=true
+fi
+
+if [ -z ${COMPLETION_STYLE+x} ]
+then
+  printf "COMPLETION_STYLE is unset! Check example_configs/zsh.conf for the latest options.\nDefaulting $(tput setaf 2)$(tput bold)COMPLETION_STYLE$(tput sgr0) to $(tput setaf 3)$(tput bold)bash$(tput sgr0).\n\n"
+  COMPLETION_STYLE=true
+fi
+
+
+#Set options
 if [ $AUTO_CD = true ]
 then
   setopt autocd
 fi
+
 unsetopt beep
-setopt HIST_IGNORE_SPACE
+if [ $HISTORY_HIDE_SPACE = true ]
+then
+  setopt HIST_IGNORE_SPACE
+fi
+
+if [ $HISTORY_NO_DUPS = true ]
+then
+  setopt HIST_IGNORE_DUPS
+fi
+
 if [ $COMPLETION_STYLE = bash ]
 then
   setopt noautomenu