diff --git a/lib/philomena_web/templates/filter/_form.html.slime b/lib/philomena_web/templates/filter/_form.html.slime
index e46cda9a..2482f71f 100644
--- a/lib/philomena_web/templates/filter/_form.html.slime
+++ b/lib/philomena_web/templates/filter/_form.html.slime
@@ -26,7 +26,7 @@
     .field
       = label f, :spoilered_complex_str, "Complex Spoiler Filter"
       br
-      = textarea f, :spoilered_complex_str, class: "input input--wide",  autocapitalize: "none"
+      = textarea f, :spoilered_complex_str, class: "input input--wide",  autocapitalize: "none", data: [ac: "true", ac_min_length: 3, ac_mode: "search"]
       br
       = error_tag f, :spoilered_complex_str
     .fieldlabel
@@ -51,7 +51,7 @@
     .field
       = label f, :hidden_complex_str, "Complex Hide Filter"
       br
-      = textarea f, :hidden_complex_str, class: "input input--wide",  autocapitalize: "none"
+      = textarea f, :hidden_complex_str, class: "input input--wide",  autocapitalize: "none", data: [ac: "true", ac_min_length: 3, ac_mode: "search"]
       br
       = error_tag f, :hidden_complex_str
     .fieldlabel