diff --git a/scripts/install b/scripts/install
index 3e2cfaa..47a5cf0 100755
--- a/scripts/install
+++ b/scripts/install
@@ -115,3 +115,11 @@ sudo service supervisor restart
 
 # Reconfigure sso
 sudo yunohost app ssowatconf
+
+# Wait that gunicorn is ready to consider the install finished, that is to
+# avoid HTTP 502 right after installation
+for i in `seq 1 120`
+do
+    test -S /tmp/budget.gunicorn.sock && break
+	sleep 1
+done