diff --git a/CHANGES.md b/CHANGES.md
index b48cf28d3..8d0ad8676 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -49,6 +49,8 @@ Fixes
 - Fix ``pat-auto-scale`` not correctly rescaling after fullscreen changes. Fixes #673
 - Fix heisenbug with pat-scroll on testruns.
 - Fix minimum input length default so that you can display select results already on click.
+- Fix ``pat-validation`` to not skip ``pat-autosuggest`` inputs even though they're
+  hidden. Fixes #683
 
 
 ## 3.0.0a5 - unreleased
diff --git a/src/pat/validation/index.html b/src/pat/validation/index.html
index 220969dd2..c5428f608 100644
--- a/src/pat/validation/index.html
+++ b/src/pat/validation/index.html
@@ -74,6 +74,10 @@
               />
             </label>
 
+            <label>Food preference
+                <input id="a1" name="a1" class="pat-autosuggest" placeholder="Pick some fruit" required="required" data-pat-autosuggest="words: Apples, Oranges, Pears, Bananas; maximum-selection-size: 1" type="text"></input>
+            </label>
+
             <fieldset class="buttons">
               <button class="pat-button">Test</button>
             </fieldset>
diff --git a/src/pat/validation/tests.js b/src/pat/validation/tests.js
index 55649b1ea..d18d05000 100644
--- a/src/pat/validation/tests.js
+++ b/src/pat/validation/tests.js
@@ -23,10 +23,30 @@ define(["pat-registry", "pat-validation"], function(registry, pattern) {
                 '<form class="pat-validation">'+
                 '<input type="text" name="name">'+
                 '</form>');
+            pattern.init($el);
             $el.find(':input').trigger('change');
             expect($el.find('em.warning').length).toBe(0);
         });
 
+        it("validates required pat-autosuggest inputs on form submit", function() {
+            var $el = $(
+                '<form class="pat-validation">'+
+                '<input type="hidden" name="name" required="required" class="pat-autosuggest" data-pat-autosuggest="words: one, two">'+
+                '</form>');
+            pattern.init($el);
+            $el.submit();
+            expect($el.find('em.warning').length).toBe(1);
+
+            // Check that validation passes when required is not here.
+            $el = $(
+                '<form class="pat-validation">'+
+                '<input type="hidden" name="name" class="pat-autosuggest" data-pat-autosuggest="words: one, two">'+
+                '</form>');
+            pattern.init($el);
+            $el.submit();
+            expect($el.find('em.warning').length).toBe(0);
+        });
+
         it("validates required inputs with HTML5 required attribute style", function() {
             var $el = $(
                 '<form class="pat-validation">'+
diff --git a/src/pat/validation/validation.js b/src/pat/validation/validation.js
index 9ba72ffcc..7460b3d46 100644
--- a/src/pat/validation/validation.js
+++ b/src/pat/validation/validation.js
@@ -257,7 +257,7 @@ define([
             // Ignore invisible elements (otherwise pat-clone template
             // elements get validated). Not aware of other cases where this
             // might cause problems.
-            var $single = this.$inputs.filter(':visible:enabled:not(:checkbox):not(:radio)');
+            var $single = this.$inputs.filter(':visible:enabled:not(:checkbox):not(:radio), .pat-autosuggest:not(:visible)');
             var group_names = this.$inputs
                     .filter(':enabled:checkbox, :enabled:radio')
                     .map(function () { return this.getAttribute('name'); });