diff --git a/apt/bootstrap-cosmos.sh b/apt/bootstrap-cosmos.sh
index 2087a1c..5b6bc50 100755
--- a/apt/bootstrap-cosmos.sh
+++ b/apt/bootstrap-cosmos.sh
@@ -28,7 +28,7 @@ hostname $cmd_hostname
 perl -pi -e "s,#COSMOS_REPO_MODELS=.*,COSMOS_REPO_MODELS=\"\\\$COSMOS_REPO/global/:\\\$COSMOS_REPO/$cmd_hostname/\"," /etc/cosmos/cosmos.conf
 perl -pi -e 's,#COSMOS_UPDATE_VERIFY_GIT_TAG_PATTERN=.*,COSMOS_UPDATE_VERIFY_GIT_TAG_PATTERN="eduid-cosmos*",' /etc/cosmos/cosmos.conf
 
-COSMOS_BASE=/var/cache/cosmos COSMOS_KEYS=/var/cache/cosmos/repo/global/overlay/etc/cosmos/keys /var/cache/cosmos/repo/global/post-tasks.d/015cosmos-trust
+env COSMOS_BASE=/var/cache/cosmos COSMOS_KEYS=/var/cache/cosmos/repo/global/overlay/etc/cosmos/keys /var/cache/cosmos/repo/global/post-tasks.d/015cosmos-trust
 
 (date; nohup cosmos -v update && nohup cosmos -v apply; date) > /var/log/cosmos.log 2>&1