diff --git a/core/src/main/java/lucee/runtime/config/ConfigWebFactory.java b/core/src/main/java/lucee/runtime/config/ConfigWebFactory.java
index f238e9a9c5..c5c70b7304 100644
--- a/core/src/main/java/lucee/runtime/config/ConfigWebFactory.java
+++ b/core/src/main/java/lucee/runtime/config/ConfigWebFactory.java
@@ -2899,6 +2899,8 @@ else if (hasCS) {
 			}
 			else {
 				String strDoCTDeepSearch = getAttr(root, "customTagDeepSearch");
+				if (StringUtil.isEmpty(strDoCTDeepSearch, true)) strDoCTDeepSearch = getAttr(root, "customTagSearchSubdirectories");
+
 				if (hasAccess && !StringUtil.isEmpty(strDoCTDeepSearch)) {
 					config.setDoCustomTagDeepSearch(Caster.toBooleanValue(strDoCTDeepSearch.trim(), false));
 				}