diff --git a/source-files/bashrc b/source-files/bashrc
index 7818b77..680435c 100644
--- a/source-files/bashrc
+++ b/source-files/bashrc
@@ -1,6 +1,6 @@
 # /etc/bashrc
 
 # Setting bash prompt if not in chroot
-if ! [ -f /tmp/is_chroot ]; then
+if ! [ "$(awk '$5=="/" {print $1}' </proc/1/mountinfo)" != "$(awk '$5=="/" {print $1}' </proc/$$/mountinfo)" ]; then
   PS1='[\u@\h \W]\$ '
 fi