do not check for PROJECT_NAME as it is not an input parameter
diff --git a/hudson-scripts/publish-nightly.sh b/hudson-scripts/publish-nightly.sh
index 876fdb3..155fbfa 100755
--- a/hudson-scripts/publish-nightly.sh
+++ b/hudson-scripts/publish-nightly.sh
@@ -10,13 +10,12 @@
# Obeo - initial API and implementation
# ====================================================================
-[ -z "$PROJECT_NAME" -o -z "$GIT_BRANCH" -o -z "$UPDATE_SITE__ARTIFACT_URL" -o -z "$UPDATE_SITE__ARTIFACT_NAME" -o -z "$UPDATE_SITE__UNQUALIFIED_VERSION" -o -z "$UPDATE_SITE__QUALIFIED_VERSION" ] && {
+[ -z "$GIT_BRANCH" -o -z "$UPDATE_SITE__ARTIFACT_URL" -o -z "$UPDATE_SITE__ARTIFACT_NAME" -o -z "$UPDATE_SITE__UNQUALIFIED_VERSION" -o -z "$UPDATE_SITE__QUALIFIED_VERSION" ] && {
echo "Execution aborted.
One or more of the required variables is not set. They are normally
provided by the Hudson build.
-- PROJECT_NAME: the name of the Eclipse project.
- GIT_BRANCH: the git branch that has been build.
- UPDATE_SITE__ARTIFACT_URL: the URL where the zipped update site to publish can be donwload.
- UPDATE_SITE__ARTIFACT_NAME: the filename of the zipped update site.
