diff --git a/app/src/main/res/raw/nonroot_utils.sh b/app/src/main/res/raw/nonroot_utils.sh
index 7c8ae1812..88a5db68b 100644
--- a/app/src/main/res/raw/nonroot_utils.sh
+++ b/app/src/main/res/raw/nonroot_utils.sh
@@ -1,6 +1,7 @@
 mount_partitions() {
   [ "`getprop ro.build.ab_update`" = "true" ] && SLOT=`getprop ro.boot.slot_suffix`
-  [ "`getprop ro.build.system_root_image`" = "true" ] && SYSTEM_ROOT=true || SYSTEM_ROOT=false
+  # Check whether non rootfs root dir exists
+  grep ' / ' /proc/mounts | grep -qv 'rootfs' && SYSTEM_ROOT=true || SYSTEM_ROOT=false
 }
 
 get_flags() {