diff --git a/src/bundle/Core/Command/ReindexCommand.php b/src/bundle/Core/Command/ReindexCommand.php
index bd8d6cc246..57822a8924 100644
--- a/src/bundle/Core/Command/ReindexCommand.php
+++ b/src/bundle/Core/Command/ReindexCommand.php
@@ -450,7 +450,13 @@ private function getPhpPath()
     private function getNumberOfCPUCores()
     {
         $cores = 1;
-        if (is_file('/proc/cpuinfo')) {
+        if (isset($_SERVER['PLATFORM_BRANCH']) && is_file( '/run/config.json')) {
+            // Ibexa Cloud: read #cpus from config
+            $config_json_encoded = file_get_contents('/run/config.json');
+            $config_json = json_decode($config_json_encoded);
+            $cores = isset($config_json->info->limits->cpu) ? max(1, floor($config_json->info->limits->cpu)) : 1;
+            return $cores;
+        } elseif (is_file('/proc/cpuinfo')) {
             // Linux (and potentially Windows with linux sub systems)
             $cpuinfo = file_get_contents('/proc/cpuinfo');
             preg_match_all('/^processor/m', $cpuinfo, $matches);