diff --git a/docs/src/main/asciidoc/ghpages.sh b/docs/src/main/asciidoc/ghpages.sh
index ba548ab1..6429e8f7 100755
--- a/docs/src/main/asciidoc/ghpages.sh
+++ b/docs/src/main/asciidoc/ghpages.sh
@@ -344,7 +344,7 @@ done
 assert_properties
 set_default_props
 check_if_anything_to_sync
-if echo $VERSION | egrep -q 'SNAPSHOT' || [[ -z "${VERSION}" ]; then
+if echo $VERSION | egrep -q 'SNAPSHOT' || [[ -z "${VERSION}" ]]; then
     retrieve_current_branch
 else
     switch_to_tag