diff --git a/ajax/ajax_getcontent.php b/ajax/ajax_getcontent.php
index 5ef0a1fe..7df44691 100644
--- a/ajax/ajax_getcontent.php
+++ b/ajax/ajax_getcontent.php
@@ -242,7 +242,7 @@ switch ($action) {
             $startTime = microtime();
             $categories = SP_Category::getCategories();
 
-            if ($categories) {
+            if ($categories !== FALSE) {
                 SP_Html::getQueryTable($arrCategoriesTableProp, $categories);
                 SP_Html::printQueryInfoBar(count($categories), $startTime);
             }
@@ -271,7 +271,7 @@ switch ($action) {
             $startTime = microtime();
             $customers = SP_Customer::getCustomers();
 
-            if ($customers) {
+            if ($customers !== FALSE) {
                 SP_Html::getQueryTable($arrCustomersTableProp, $customers);
                 SP_Html::printQueryInfoBar(count($customers), $startTime);
             }
@@ -385,4 +385,4 @@ if (isset($_SESSION["uisadminapp"]) && SP_Config::getValue('debug')) {
 // consulta ajax detiene al resto si se ejecuta antes
 if ($_SESSION['uisadminapp'] && SP_Config::getValue('checkupdates') === 1 && !SP_Common::parseParams('s', 'UPDATED', FALSE, TRUE)) {
     echo '<script>checkUpds();</script>';
-}
\ No newline at end of file
+}