diff --git a/public/partdb.js b/public/partdb.js
index af88894..a9f8d1a 100644
--- a/public/partdb.js
+++ b/public/partdb.js
@@ -100,7 +100,7 @@ function select_part()
 					const span = document.getElementById('url_' + field);
 					const text = span.innerText;
 					span.innerHTML = null;
-					if (undefined === part[field] || null == part[field]) {
+					if (undefined === part[field] || null == part[field] || 0 == part[field].length) {
 						span.innerHTML = text;
 					} else {
 						const a = document.createElement('a');