diff --git a/rootdir/init.environ.rc.in b/rootdir/init.environ.rc.in
index 4576776..d10f7c1 100644
--- a/rootdir/init.environ.rc.in
+++ b/rootdir/init.environ.rc.in
@@ -5,6 +5,7 @@
     export ANDROID_ASSETS /system/app
     export ANDROID_DATA /data
     export ANDROID_STORAGE /storage
+    export ANDROID_RUNTIME_ROOT /apex/com.android.runtime
     export EXTERNAL_STORAGE /sdcard
     export ASEC_MOUNTPOINT /mnt/asec
     export BOOTCLASSPATH %BOOTCLASSPATH%