diff --git a/application/forms/Config/Authentication/LdapBackendForm.php b/application/forms/Config/Authentication/LdapBackendForm.php
index 111824b9f..6eaea137c 100644
--- a/application/forms/Config/Authentication/LdapBackendForm.php
+++ b/application/forms/Config/Authentication/LdapBackendForm.php
@@ -136,7 +136,7 @@ class LdapBackendForm extends BaseBackendForm
      */
     public function isValidAuthenticationBackend()
     {
-        if (! Platform::ldapAvailable()) {
+        if (! Platform::extensionLoaded('ldap')) {
             /*
              * It should be possible to run icingaweb without the php ldap extension, when
              * no ldap backends are needed. When the user tries to create an ldap backend
diff --git a/application/forms/Config/ResourceForm.php b/application/forms/Config/ResourceForm.php
index 9ac85fadc..de6be7699 100644
--- a/application/forms/Config/ResourceForm.php
+++ b/application/forms/Config/ResourceForm.php
@@ -406,14 +406,14 @@ class ResourceForm extends Form
                      * in case they aren't actually used. When the user tries to create a resource that depends on an
                      * uninstalled extension, an error should be displayed.
                      */
-                    if ($config->db === 'mysql' && ! Platform::mysqlAvailable()) {
+                    if ($config->db === 'mysql' && ! Platform::extensionLoaded('mysql')) {
                         $this->addErrorMessage(
                             t('You need to install the php extension "mysql" and the ' .
                               'Zend_Pdo_Mysql classes to use  MySQL database resources.')
                         );
                         return false;
                     }
-                    if ($config->db === 'pgsql' && ! Platform::pgsqlAvailable()) {
+                    if ($config->db === 'pgsql' && ! Platform::extensionLoaded('pgsql')) {
                         $this->addErrorMessage(
                             t('You need to install the php extension "pgsql" and the ' .
                               'Zend_Pdo_Pgsql classes to use  PostgreSQL database resources.')
diff --git a/library/Icinga/Application/Platform.php b/library/Icinga/Application/Platform.php
index 98f5acc44..1ca738741 100644
--- a/library/Icinga/Application/Platform.php
+++ b/library/Icinga/Application/Platform.php
@@ -121,32 +121,14 @@ class Platform
     }
 
     /**
-     * Test of php ldap support
+     * Test for php extension
      *
-     * @return bool
-     */
-    public static function ldapAvailable()
-    {
-        return extension_loaded('ldap');
-    }
-
-    /**
-     * Test of php pgsql support
+     * @param   string  $extensionName  E.g. mysql, ldap
      *
-     * @return bool
+     * @return  bool
      */
-    public static function pgsqlAvailable()
+    public static function extensionLoaded($extensionName)
     {
-        return extension_loaded('pgsql');
-    }
-
-    /**
-     * Test of php mysql support
-     *
-     * @return bool
-     */
-    public static function mysqlAvailable()
-    {
-        return extension_loaded('mysql');
+        return extension_loaded($extensionName);
     }
 }