--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/resources/search.js	Fri Dec 21 11:43:04 2018 +0530
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/resources/search.js	Fri Dec 21 11:02:36 2018 +0100
@@ -55,7 +55,7 @@
             return ui.item.m + slash;
         } else if ((ui.item.category === catTypes && ui.item.p) || ui.item.category === catMembers) {
             $.each(packageSearchIndex, function(index, item) {
-                if (ui.item.p == item.l) {
+                if (item.m && ui.item.p == item.l) {
                     urlPrefix = item.m + slash;
                 }
             });