diff --git a/bunsen/test b/bunsen/test
index 558ce0d4..81d3b99d 100755
--- a/bunsen/test
+++ b/bunsen/test
@@ -3,8 +3,8 @@
 set -e
 
 export DEBIAN_FRONTEND=noninteractive
-export DONT_CHANGE_SHELL
-export DONT_START_TOR
+export DONT_CHANGE_SHELL=true
+export DONT_START_TOR=true
 
 echo "APT::Acquire::Retries=16;" >> /etc/apt/apt.conf.d/99_retries