diff --git a/bin/companion b/bin/companion
index 8d6454c69..627d667d6 100644
--- a/bin/companion
+++ b/bin/companion
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-sh ../env.sh
+. ./env.sh
 
 env \
   UPPYSERVER_DATADIR="./output" \