diff --git a/scripts/dev/start-compose.sh b/scripts/dev/start-compose.sh
index 6b9827a55..d45dcb0b8 100755
--- a/scripts/dev/start-compose.sh
+++ b/scripts/dev/start-compose.sh
@@ -1,5 +1,5 @@
 set -x
-TRANSFORMERS_TAG=$(mvn help:evaluate -Dexpression=dependency.alfresco-transform-core.version -q -DforceStdout)
+export TRANSFORMERS_TAG=$(mvn help:evaluate -Dexpression=dependency.alfresco-transform-core.version -q -DforceStdout)
 
 # .env files are picked up from project directory correctly on docker-compose 1.23.0+
-TRANSFORMERS_TAG=${TRANSFORMERS_TAG} docker-compose -f acs-packaging/dev/docker-compose.yml up
\ No newline at end of file
+docker-compose -f acs-packaging/dev/docker-compose.yml up
\ No newline at end of file