diff --git a/zshrc b/zshrc
index 3202bd7..3c759d9 100644
--- a/zshrc
+++ b/zshrc
@@ -13,6 +13,9 @@ compinit
 autoload -U +X bashcompinit
 bashcompinit
 
+# Uncomment the following line to use case-sensitive completion.
+CASE_SENSITIVE="true"
+
 # zsh packages from system
 if [[ -f ${DOTFILES}/zsh/distro.base.zsh ]]; then
   source ${DOTFILES}/zsh/distro.base.zsh