diff --git a/htdocs/api/class/api.class.php b/htdocs/api/class/api.class.php
index 6561355edbe..445f7493e88 100644
--- a/htdocs/api/class/api.class.php
+++ b/htdocs/api/class/api.class.php
@@ -58,6 +58,18 @@ class DolibarrApi
 
 		$this->db = $db;
 		$production_mode = (empty($conf->global->API_PRODUCTION_MODE) ? false : true);
+
+		if ($production_mode) {
+			// Create the directory Defaults::$cacheDirectory if it does not exist. If dir does not exist, using production_mode generates an error 500.
+			include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
+			if (!dol_is_dir(Defaults::$cacheDirectory)) {
+				dol_mkdir(Defaults::$cacheDirectory, DOL_DATA_ROOT);
+			}
+			if (getDolGlobalString('MAIN_API_DEBUG')) {
+				dol_syslog("Debug API construct::cacheDirectory=".Defaults::$cacheDirectory, LOG_DEBUG, 0, '_api');
+			}
+		}
+
 		$this->r = new Restler($production_mode, $refreshCache);
 
 		$urlwithouturlroot = preg_replace('/'.preg_quote(DOL_URL_ROOT, '/').'$/i', '', trim($dolibarr_main_url_root));
diff --git a/htdocs/core/class/utils.class.php b/htdocs/core/class/utils.class.php
index ed0a98d63ec..849e5021d72 100644
--- a/htdocs/core/class/utils.class.php
+++ b/htdocs/core/class/utils.class.php
@@ -177,7 +177,7 @@ class Utils
 		}
 
 		// Recreate temp dir that are not automatically recreated by core code for performance purpose, we need them
-		if (!empty($conf->api->enabled)) {
+		if (isModEnabled('api')) {
 			dol_mkdir($conf->api->dir_temp);
 		}
 		dol_mkdir($conf->user->dir_temp);