diff --git a/INSTALL.md b/INSTALL.md
index a3e21a2..57a4d87 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -91,7 +91,7 @@ Update Pandra-box
     cd pandora-box && git pull
 
 # Troubleshooting
-	
+ 
 Check Pandora listening on port 6100
 
     sudo lsof -i -P -n | grep LISTEN
@@ -102,6 +102,10 @@ Result should contains
     gunicorn: 1034         pandora    5u  IPv4  27043      0t0  TCP *:6100 (LISTEN)
     ...
 
+poetry: command not found
+
+    export PATH="$HOME/.local/bin:{$PATH}"
+
 Submit a file to Pandora with the command line
 
     cd pandora