diff --git a/modules/Reports/ReportRun.php b/modules/Reports/ReportRun.php
index cc3452b7701fd6d2c6deab5ff5b2124843f711fc..d0268c70e4292e9aac851282ac6f26f54428eaaa 100644
--- a/modules/Reports/ReportRun.php
+++ b/modules/Reports/ReportRun.php
@@ -381,7 +381,7 @@ class ReportRun extends CRMEntity {
             $selectedModuleFields[$module][] = $fieldname;
 			$inventory_fields = array('serviceid');
 			$inventory_modules = getInventoryModules();
-			if (sizeof($permitted_fields[$module]) == 0 && $is_admin == false && $profileGlobalPermission[1] == 1 && $profileGlobalPermission[2] == 1) {
+			if ((is_array($permitted_fields[$module]) && sizeof($permitted_fields[$module]) == 0) && $is_admin == false && $profileGlobalPermission[1] == 1 && $profileGlobalPermission[2] == 1) {
 				$permitted_fields[$module] = $this->getaccesfield($module);
 			}
 			if (in_array($module, $inventory_modules)) {