diff --git a/BLFS/envars.conf b/BLFS/envars.conf
index f1a3c07..1906e48 100644
--- a/BLFS/envars.conf
+++ b/BLFS/envars.conf
@@ -131,4 +131,4 @@ export MAKEFLAGS="-j5"
 # of a build, ensure that environment variables are
 # up to date
 
-source /etc/profile
+if [ -r /etc/profile ]; then source /etc/profile; fi