diff --git a/lib/processors/jsdoc/lib/ui5/plugin.cjs b/lib/processors/jsdoc/lib/ui5/plugin.cjs
index fc19d1ad6..b762e130f 100644
--- a/lib/processors/jsdoc/lib/ui5/plugin.cjs
+++ b/lib/processors/jsdoc/lib/ui5/plugin.cjs
@@ -801,7 +801,7 @@ function checkVarRenaming(variable) {
  * Builds the fully quantified name when there's a destructuring of a variable
  *
  * @param {Node} node
- * @returns {Object}
+ * @returns {string}
  */
 function resolveFullyQuantifiedName(node) {
 	// The missing part is on the left side. The right side is clear.
@@ -811,7 +811,7 @@ function resolveFullyQuantifiedName(node) {
 	const currentScope = getEnclosingVariableScope(node);
 
 	if (!currentScope) {
-		return null;
+		return "";
 	}
 
 	while (leftMostName) {