diff --git a/abra b/abra
index 499e673..dc30c43 100755
--- a/abra
+++ b/abra
@@ -513,7 +513,7 @@ output_version_summary() {
     SERVICES=$($YQ e '.services | keys | .[]' "${APP_DIR}/${COMPOSE}")
 
     for SERVICE in $SERVICES; do
-      if [[ "${CHECKED_SERVICES[@]}" =~ "${SERVICE}" ]]; then
+      if [[ ${CHECKED_SERVICES[*]} =~ ${SERVICE} ]]; then
         debug "already inspected ${STACK_NAME}_${SERVICE} for versions, skipping..."
         continue
       fi