diff --git a/run/scripts/start b/run/scripts/start
index 8a9039e0e507dd2681ff93ef6129af7e779fdd3f..d722df18a621d5633844cb08c0e4b72a725b7f95 100755
--- a/run/scripts/start
+++ b/run/scripts/start
@@ -71,6 +71,7 @@ function startContainer() {
         --env L3DSHELL=${L3DSHELL}
         --env L3D_ALWAYS_CLEANUP=${L3D_ALWAYS_CLEANUP}
         --env HOME=/home/${USERNAME}
+        --env USERNAME=${USERNAME}
         --env COMPOSE_PROJECT_NAME=${COMPOSE_PROJECT_NAME}
         --env COMPOSER_DOWNGRADE=${COMPOSER_DOWNGRADE}
         --env PHP_VERSION=${PHP_VERSION}