diff --git a/base.php b/base.php
index 404cea9..484416a 100644
--- a/base.php
+++ b/base.php
@@ -453,8 +453,7 @@ class Page
         global $config;
         $this->title = $config['cops_title_default'];
         $this->subtitle = $config['cops_subtitle_default'];
-        $database = GetUrlParam (DB);
-        if (is_array ($config['calibre_directory']) && is_null ($database)) {
+        if (Base::noDatabaseSelected ()) {
             $i = 0;
             foreach (array_keys ($config['calibre_directory']) as $key) {
                 $nBooks = Book::getBookCount ($i);
@@ -484,7 +483,7 @@ class Page
             }
             $this->entryArray = array_merge ($this->entryArray, Book::getCount());
 
-            if (!is_null ($database)) $this->title =  Base::getDbName ();
+            if (Base::isMultipleDatabaseEnabled ()) $this->title =  Base::getDbName ();
         }
     }
 
@@ -739,7 +738,7 @@ class PageQueryResult extends Page
         $crit = "%" . $this->query . "%";
 
         // Special case when we are doing a search and no database is selected
-        if (is_array ($config['calibre_directory']) && is_null (GetUrlParam (DB))) {
+        if (Base::noDatabaseSelected ()) {
             $i = 0;
             foreach ($config['calibre_directory'] as $key => $value) {
                 Base::clearDb ();
@@ -892,6 +891,10 @@ abstract class Base
         global $config;
         return is_array ($config['calibre_directory']);
     }
+    
+    public static function noDatabaseSelected () {
+        return self::isMultipleDatabaseEnabled () && is_null (GetUrlParam (DB));
+    }
 
     public static function getDbList () {
         global $config;
diff --git a/book.php b/book.php
index 73b6faa..7ab3955 100644
--- a/book.php
+++ b/book.php
@@ -631,7 +631,6 @@ function getJson ($complete = false) {
     $page = getURLParam ("page", Base::PAGE_INDEX);
     $query = getURLParam ("query");
     $search = getURLParam ("search");
-    $multi = getURLParam ("multi");
     $qid = getURLParam ("id");
     $n = getURLParam ("n", "1");
     $database = GetUrlParam (DB);
@@ -641,7 +640,7 @@ function getJson ($complete = false) {
         $pagequery = Base::PAGE_OPENSEARCH_QUERY;
 
         // Special case when no databases were chosen, we search on all databases
-        if (is_array ($config['calibre_directory']) && $multi === "1") {
+        if (Base::noDatabaseSelected ()) {
             $i = 0;
             foreach (array_keys ($config['calibre_directory']) as $key) {
                 Base::clearDb ();
diff --git a/index.php b/index.php
index 521cec0..c162d09 100644
--- a/index.php
+++ b/index.php
@@ -33,7 +33,7 @@
 
     // Access the database ASAP to be sure it's readable, redirect if that's not the case.
     // It has to be done before any header is sent.
-    if (is_array ($config['calibre_directory']) && is_null ($database)) {
+    if (Base::noDatabaseSelected ()) {
         $i = 0;
         foreach (array_keys ($config['calibre_directory']) as $key) {
             $test = Base::getDb ($i);
diff --git a/util.js b/util.js
index 988d339..36e3757 100644
--- a/util.js
+++ b/util.js
@@ -280,13 +280,12 @@ updatePage = function (data) {
         limit: 24,
         template: templateSuggestion,
         remote: {
-            url: 'getJSON.php?search=1&db=%DB&query=%QUERY&multi=%MULTI',
+            url: 'getJSON.php?search=1&db=%DB&query=%QUERY',
             replace: function (url, query) {
-                var multi = 0;
                 if (currentData.multipleDatabase === 1 && currentData.databaseId === "") {
-                    multi = 1;
+                    return url.replace('%QUERY', query).replace('&db=%DB', "")
                 }
-                return url.replace('%QUERY', query).replace('%DB', currentData.databaseId).replace ("%MULTI", multi);
+                return url.replace('%QUERY', query).replace('%DB', currentData.databaseId);
             }
         }
     }