--- liblangtag/lt-script-db.c
+++ liblangtag/lt-script-db.c
@@ -134,8 +134,12 @@
 			cnode = cnode->next;
 		}
 		if (!subtag) {
-			lt_warning("No subtag node: description = '%s'",
-				   desc);
+			if (!desc) {
+				lt_warning("No subtag nor description node");
+			} else {
+				lt_warning("No subtag node: description = '%s'",
+					   desc);
+			}
 			goto bail1;
 		}
 		if (!desc) {