diff --git a/bootstrap.sh b/bootstrap.sh
old mode 100755
new mode 100644
index 17993ad16..dc035c0c9
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -55,8 +55,11 @@ function ask_append_shell_config () {
         shell_config_file="$HOME/.profile"
     elif [ -f "$HOME/.bashrc" ]; then
         shell_config_file="$HOME/.bashrc"
+    elif [ -f "$HOME/.zshrc" ]; then
+        shell_config_file="$HOME/.zshrc"
     fi
 
+
     echo "    \"$config_string\" will be appended to \"$shell_config_file\"."
     if prompt "no"; then
         if [ "$shell_config_file" ]; then