diff --git a/templates/flags/detail.tpl b/templates/flags/detail.tpl
index be4e968..3832e41 100644
--- a/templates/flags/detail.tpl
+++ b/templates/flags/detail.tpl
@@ -1,6 +1,6 @@
 <div class="row">
 	<div class="col-sm-4 col-md-3">
-		<!-- IMPORT partials/flags/quick-filters.tpl -->
+		<!-- IMPORT partials/flags/filters.tpl -->
 	</div>
 	<div class="col-sm-8 col-md-9">
 		<h2>
diff --git a/templates/flags/list.tpl b/templates/flags/list.tpl
index ec53eff..357b6ff 100644
--- a/templates/flags/list.tpl
+++ b/templates/flags/list.tpl
@@ -1,6 +1,6 @@
 <div class="row">
 	<div class="col-sm-4 col-md-3">
-		<!-- IMPORT partials/flags/quick-filters.tpl -->
+		<!-- IMPORT partials/flags/filters.tpl -->
 	</div>
 	<div class="col-sm-8 col-md-9">
 		<div class="text-center">
diff --git a/templates/partials/flags/quick-filters.tpl b/templates/partials/flags/filters.tpl
similarity index 85%
rename from templates/partials/flags/quick-filters.tpl
rename to templates/partials/flags/filters.tpl
index 314e434..eab5bf3 100644
--- a/templates/partials/flags/quick-filters.tpl
+++ b/templates/partials/flags/filters.tpl
@@ -39,6 +39,16 @@
 				<input type="number" class="form-control" id="filter-assignee" name="assignee" min="0" />
 			</div>
 
+			<div class="form-group">
+				<label for="filter-cid">[[flags:filter-cid]]</label>
+				<select class="form-control" id="filter-cid" name="cid">
+					<option value="">[[flags:filter-cid-all]]</option>
+					<!-- BEGIN categories -->
+					<option value="@key">@value</option>
+					<!-- END categories -->
+				</select>
+			</div>
+
 			<div class="form-group">
 				<label for="filter-targetUid">[[flags:filter-targetUid]]</label>
 				<input type="number" class="form-control" id="filter-targetUid" name="targetUid" min="0" />