diff --git a/app/controllers/admin/instances_controller.rb b/app/controllers/admin/instances_controller.rb
index 20d5add54e..460108029b 100644
--- a/app/controllers/admin/instances_controller.rb
+++ b/app/controllers/admin/instances_controller.rb
@@ -56,6 +56,10 @@ module Admin
     end
 
     def set_instances
+      # If we have a `status` in the query parameters, but it has no value or it
+      # isn't a known status remove the status query parameter
+      return redirect_to admin_instances_path filter_params.merge(status: nil) if params.include?(:status) && (params[:status].blank? || InstanceFilter::STATUSES.exclude?(params[:status]))
+
       # If we have `limited` in the query parameters, remove it and redirect to suspended:
       return redirect_to admin_instances_path filter_params.merge(status: :suspended) if params[:limited].present?
 
diff --git a/app/models/instance_filter.rb b/app/models/instance_filter.rb
index 46174351f6..22dd5f75cc 100644
--- a/app/models/instance_filter.rb
+++ b/app/models/instance_filter.rb
@@ -7,6 +7,14 @@ class InstanceFilter
     availability
   ).freeze
 
+  # These are the valid input values for statuses:
+  STATUSES = %w(
+    allowed
+    suspended
+    limited
+    unrestricted
+  ).freeze
+
   attr_reader :params
 
   def initialize(params)
@@ -47,11 +55,9 @@ class InstanceFilter
       Instance.joins(:domain_allow).reorder(Arel.sql('domain_allows.id desc'))
     when :suspended
       Instance.joins(:domain_block).where(domain_blocks: { severity: :suspend }).reorder(Arel.sql('domain_blocks.id desc'))
-    when :silenced
-      Instance.joins(:domain_block).where(domain_blocks: { severity: :silence }).reorder(Arel.sql('domain_blocks.id desc'))
-    when :noop
-      Instance.joins(:domain_block).where(domain_blocks: { severity: :noop }).reorder(Arel.sql('domain_blocks.id desc'))
-    when :not_limited
+    when :limited
+      Instance.joins(:domain_block).where(domain_blocks: { severity: :silence }).or(Instance.joins(:domain_block).where(domain_blocks: { severity: :noop })).reorder(Arel.sql('domain_blocks.id desc'))
+    when :unrestricted
       # Finds all instances where there isn't a record in the domain_blocks table
       Instance.left_outer_joins(:domain_block).where(domain_blocks: { domain: nil })
     else
diff --git a/app/views/admin/instances/index.html.haml b/app/views/admin/instances/index.html.haml
index e21d696eac..b1f01ef546 100644
--- a/app/views/admin/instances/index.html.haml
+++ b/app/views/admin/instances/index.html.haml
@@ -19,9 +19,8 @@
         %li= filter_link_to t('admin.instances.moderation.allowed'), status: nil
       - else
         %li= filter_link_to t('admin.instances.moderation.all'), status: nil
-        %li= filter_link_to t('admin.instances.moderation.not_limited'), status: 'not_limited'
-        %li= filter_link_to t('admin.instances.moderation.noop'), status: 'noop'
-        %li= filter_link_to t('admin.instances.moderation.silenced'), status: 'silenced'
+        %li= filter_link_to t('admin.instances.moderation.unrestricted'), status: 'unrestricted'
+        %li= filter_link_to t('admin.instances.moderation.limited'), status: 'limited'
         %li= filter_link_to t('admin.instances.moderation.suspended'), status: 'suspended'
 
   .filter-subset
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 9b8ad9e68a..f47bf029c0 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -534,11 +534,10 @@ en:
       moderation:
         all: All
         allowed: Allowed
-        noop: Filtered
-        not_limited: Not Limited
-        silenced: Limited
+        limited: Limited
         suspended: Suspended
         title: Moderation
+        unrestricted: Unrestricted
       purge: Purge
       purge_description_html: If you believe this domain is offline for good, you can delete all account records and associated data from this domain from your storage. This may take a while.
       title: Federation