diff --git a/7-traps-&-gotchas.md b/7-traps-&-gotchas.md
index 52c2b7d..1d218c6 100644
--- a/7-traps-&-gotchas.md
+++ b/7-traps-&-gotchas.md
@@ -12,6 +12,6 @@ Though it has translation problems. using
 
 * even though running   ` ./bitmessagemain.py ` straight away used to work, it is better to run   ` python2 setup.py build  `  beforehand to avoid crashes e.g. on Fedora.
 
-
+* it behooves you to use `  export BITMESSAGE_HOME="/mnt/……  `  rather than  portable mode in Linux. This actually avoids crashes.