diff --git a/includes/basetype.class.php b/includes/basetype.class.php
index 0dd14cb9..02688a99 100644
--- a/includes/basetype.class.php
+++ b/includes/basetype.class.php
@@ -1257,12 +1257,12 @@ abstract class Filter
                         break;
                     case self::CR_BOOLEAN:
                     case self::CR_FLAG:
-                    case self::CR_STAFFFLAG:
                         $_ = $_crs[$i];
                         if (!$this->int2Bool($_))
                             $unsetme = true;
                         break;
                     case self::CR_ENUM:
+                    case self::CR_STAFFFLAG:
                         if (!Util::checkNumeric($_crs[$i], NUM_CAST_INT))
                             $unsetme = true;
                         break;
@@ -1545,8 +1545,8 @@ abstract class Filter
                 $result = $this->genericBooleanFlags($colOrFn, $param1, $crs, $param2);
                 break;
             case self::CR_STAFFFLAG:
-                if (User::isInGroup(U_GROUP_EMPLOYEE) && $crs >= 0)
-                    $result = $this->genericBooleanFlags($colOrFn, (1 << $crs), true);
+                if (User::isInGroup(U_GROUP_EMPLOYEE) && $crs > 0)
+                    $result = $this->genericBooleanFlags($colOrFn, (1 << ($crs - 1)), true);
                 break;
             case self::CR_BOOLEAN:
                 $result = $this->genericBoolean($colOrFn, $crs, !empty($param1));
diff --git a/static/js/filters.js b/static/js/filters.js
index a552b404..90f6797c 100644
--- a/static/js/filters.js
+++ b/static/js/filters.js
@@ -409,20 +409,20 @@ var fi_filters = {
         { id: 8,    name: 'hasscreenshots', type: 'yn' },
         { id: 17,   name: 'hasvideos',      type: 'yn' },
 
-        { id: 9999, name: 'sepstaffonly',                staffOnly: true },
-        { id: 96,   name: 'flags1',       type: 'flags', staffOnly: true },
-        { id: 97,   name: 'flags2',       type: 'flags', staffOnly: true },
-        { id: 98,   name: 'flags3',       type: 'flags', staffOnly: true },
-        { id: 99,   name: 'flags4',       type: 'flags', staffOnly: true },
-        { id: 100,  name: 'flags5',       type: 'flags', staffOnly: true },
-        { id: 101,  name: 'flags6',       type: 'flags', staffOnly: true },
-        { id: 102,  name: 'flags7',       type: 'flags', staffOnly: true },
-        { id: 103,  name: 'flags8',       type: 'flags', staffOnly: true },
-        { id: 104,  name: 'flags9',       type: 'flags', staffOnly: true },
-        { id: 105,  name: 'flags10',      type: 'flags', staffOnly: true },
-        { id: 106,  name: 'flags11',      type: 'flags', staffOnly: true },
-        { id: 107,  name: 'flags12',      type: 'flags', staffOnly: true },
-        { id: 108,  name: 'flags13',      type: 'flags', staffOnly: true }
+        { id: 9999, name: 'sepstaffonly',                staffonly: true },
+        { id: 96,   name: 'flags1',       type: 'flags', staffonly: true },
+        { id: 97,   name: 'flags2',       type: 'flags', staffonly: true },
+        { id: 98,   name: 'flags3',       type: 'flags', staffonly: true },
+        { id: 99,   name: 'flags4',       type: 'flags', staffonly: true },
+        { id: 100,  name: 'flags5',       type: 'flags', staffonly: true },
+        { id: 101,  name: 'flags6',       type: 'flags', staffonly: true },
+        { id: 102,  name: 'flags7',       type: 'flags', staffonly: true },
+        { id: 103,  name: 'flags8',       type: 'flags', staffonly: true },
+        { id: 104,  name: 'flags9',       type: 'flags', staffonly: true },
+        { id: 105,  name: 'flags10',      type: 'flags', staffonly: true },
+        { id: 106,  name: 'flags11',      type: 'flags', staffonly: true },
+        { id: 107,  name: 'flags12',      type: 'flags', staffonly: true },
+        { id: 108,  name: 'flags13',      type: 'flags', staffonly: true }
     ],
 
     achievements: [
diff --git a/static/js/locale_dede.js b/static/js/locale_dede.js
index a5200ca6..68ffaa33 100644
--- a/static/js/locale_dede.js
+++ b/static/js/locale_dede.js
@@ -4284,7 +4284,7 @@ var LANG = {
         hasscreenshots: "Verfügt über Screenshots",
         hasvideos:      "Verfügt über Videos",
 
-        sepstaffonly:   'Staff Only',
+        sepstaffonly:   'Nur für Personal',
         flags:          'Flags'
     },
 
diff --git a/static/js/locale_enus.js b/static/js/locale_enus.js
index 2ed05d95..f37a6962 100644
--- a/static/js/locale_enus.js
+++ b/static/js/locale_enus.js
@@ -4069,7 +4069,7 @@ var LANG = {
         hasscreenshots:          "Has screenshots",
         hasvideos:               "Has videos",
 
-        sepstaffonly:            'Staff Only',
+        sepstaffonly:            'Staff only',
         flags:                   'Flags',
         flags2:                  'Flags (2)'
     },
@@ -4332,7 +4332,7 @@ var LANG = {
         hasscreenshots: "Has screenshots",
         hasvideos:      "Has videos",
 
-        sepstaffonly:   'Staff Only',
+        sepstaffonly:   'Staff only',
         flags:          'Flags'
     },
 
diff --git a/static/js/locale_eses.js b/static/js/locale_eses.js
index cea1e2b3..36a4008d 100644
--- a/static/js/locale_eses.js
+++ b/static/js/locale_eses.js
@@ -4023,7 +4023,7 @@ var LANG = {
         hasscreenshots:          "Tiene capturas de pantalla",
         hasvideos:               "Tiene vídeos",
 
-        sepstaffonly:            'Staff Only',
+        sepstaffonly:            'Sólo para empleados',
         flags:                   'Flags',
         flags2:                  'Flags (2)'
     },
@@ -4286,7 +4286,7 @@ var LANG = {
         hasscreenshots: "Tiene capturas de pantalla",
         hasvideos:      "Tiene vídeos",
 
-        sepstaffonly:   'Staff Only',
+        sepstaffonly:   'Sólo para empleados',
         flags:          'Flags'
     },
 
diff --git a/static/js/locale_zhcn.js b/static/js/locale_zhcn.js
index df21fc39..4c167c7d 100644
--- a/static/js/locale_zhcn.js
+++ b/static/js/locale_zhcn.js
@@ -4276,7 +4276,7 @@ var LANG = {
         hasscreenshots:             "有截屏",
         hasvideos:                  "有视频",
 
-        sepstaffonly:               "Staff only",
+        sepstaffonly:               "仅限员工",
         flags1:                     "Flags (1)",
         flags2:                     "Flags (2)",
         flags3:                     "Flags (3)",