diff --git a/lib/functions/formfields/option/function.validateFormFieldOption.php b/lib/functions/formfields/option/function.validateFormFieldOption.php
index cbda0408..01b4be5f 100644
--- a/lib/functions/formfields/option/function.validateFormFieldOption.php
+++ b/lib/functions/formfields/option/function.validateFormFieldOption.php
@@ -34,7 +34,7 @@ function validateFormFieldOption($fieldname, $fielddata, $newfieldvalue)
 		$returnvalue = isset($fielddata['option_options'][$newfieldvalue]);
 	}
 
-	if($returnvalue === true)
+	if($returnvalue === true || $fielddata['visible'] == false)
 	{
 		return true;
 	}
diff --git a/lib/functions/validate/function.checkFcgidPhpFpm.php b/lib/functions/validate/function.checkFcgidPhpFpm.php
index c0431f0d..add4e3df 100644
--- a/lib/functions/validate/function.checkFcgidPhpFpm.php
+++ b/lib/functions/validate/function.checkFcgidPhpFpm.php
@@ -24,12 +24,14 @@ function checkFcgidPhpFpm($fieldname, $fielddata, $newfieldvalue, $allnewfieldva
         'system_mod_fcgid_enabled' => array(
             'other_post_field' => 'system_phpfpm_enabled',
             'other_enabled' => 'phpfpm.enabled',
-            'other_enabled_lng' => 'phpfpmstillenabled'
+			'other_enabled_lng' => 'phpfpmstillenabled',
+			'deactivate' => array('phpfpm.enabled_ownvhost' => 0)
         ),
         'system_phpfpm_enabled' => array(
             'other_post_field' => 'system_mod_fcgid_enabled',
             'other_enabled' => 'system.mod_fcgid',
-            'other_enabled_lng' => 'fcgidstillenabled'
+			'other_enabled_lng' => 'fcgidstillenabled',
+			'deactivate' => array('system.mod_fcgid_ownvhost' => 0)
         )
     );
     
@@ -56,6 +58,13 @@ function checkFcgidPhpFpm($fieldname, $fielddata, $newfieldvalue, $allnewfieldva
                 }
             }
         }
+        if (in_array(FORMFIELDS_PLAUSIBILITY_CHECK_OK, $returnvalue)) {
+			// be sure to deactivate the other one for the froxlor-vhost
+			// to avoid having a settings-deadlock
+			foreach ($check_array[$fieldname]['deactivate'] as $setting => $value) {
+				Settings::Set($setting, $value, true);
+			}
+        }
     }
     
     return $returnvalue;