diff --git a/.evergreen/run-orchestration.sh b/.evergreen/run-orchestration.sh
index bba45d5a..216defb2 100755
--- a/.evergreen/run-orchestration.sh
+++ b/.evergreen/run-orchestration.sh
@@ -95,7 +95,7 @@ perl -p -i -e "s|ABSOLUTE_PATH_REPLACEMENT_TOKEN|${DRIVERS_TOOLS}|g" $ORCHESTRAT
 
 # Docker does not enable ipv6 by default.
 # https://docs.docker.com/config/daemon/ipv6/
-if [ -n $DOCKER_RUNNING ]; then
+if [ -n "$DOCKER_RUNNING" ]; then
   cp $ORCHESTRATION_FILE /root/config.json
   export ORCHESTRATION_FILE=/root/config.json
   sed -i "s/\"ipv6\": true,/\"ipv6\": false,/g" $ORCHESTRATION_FILE