1 files changed, 2 insertions, 2 deletions
diff --git a/app/models/instance_filter.rb b/app/models/instance_filter.rb
index e7e5166a1..1d94c919f 100644
--- a/app/models/instance_filter.rb
+++ b/app/models/instance_filter.rb
@@ -36,7 +36,7 @@ class InstanceFilter
     when 'availability'
       availability_scope(value)
     else
-      raise "Unknown filter: #{key}"
+      raise Mastodon::InvalidParameterError, "Unknown filter: #{key}"
     end
   end
 
@@ -47,7 +47,7 @@ class InstanceFilter
     when 'unavailable'
       Instance.joins(:unavailable_domain)
     else
-      raise "Unknown availability: #{value}"
+      raise Mastodon::InvalidParameterError, "Unknown availability: #{value}"
     end
   end
 end