diff --git a/zsh/defaults/50-chruby.conf b/zsh/defaults/50-chruby.conf
new file mode 100644
index 0000000..33cdc86
--- /dev/null
+++ b/zsh/defaults/50-chruby.conf
@@ -0,0 +1,4 @@
+# chruby in use?
+USE_CHRUBY=0
+# Path to chruby scripts.
+CHRUBY_PATH="/usr/share/chruby"
diff --git a/zsh/exports/95-chruby.zsh b/zsh/exports/95-chruby.zsh
new file mode 100644
index 0000000..2d08175
--- /dev/null
+++ b/zsh/exports/95-chruby.zsh
@@ -0,0 +1,10 @@
+# chruby sourcing.
+
+# This exports should work only if config states this.
+if [ "${USE_CHRUBY}" -eq 0 ]; then
+    return
+fi
+
+export CHRUBY_ROOT="${CHRUBY_PATH}"
+source "${CHRUBY_ROOT}/chruby.sh"
+source "${CHRUBY_ROOT}/auto.sh"