diff --git a/app/assets/javascripts/analytics/custom-dimensions.js b/app/assets/javascripts/analytics/custom-dimensions.js
index 13ce21ed4..857697f5e 100644
--- a/app/assets/javascripts/analytics/custom-dimensions.js
+++ b/app/assets/javascripts/analytics/custom-dimensions.js
@@ -59,7 +59,8 @@
       'content-has-history': {dimension: 39, defaultValue: 'false'},
       'publishing-application': {dimension: 89},
       'stepnavs': {dimension: 96},
-      'relevant-result-shown': {dimension: 83}
+      'relevant-result-shown': {dimension: 83},
+      'spelling-suggestion': {dimension: 81}
     };
 
     var $metas = $('meta[name^="govuk:"]');
diff --git a/spec/javascripts/analytics/static-analytics-spec.js b/spec/javascripts/analytics/static-analytics-spec.js
index af89b93a8..7bfdceb35 100644
--- a/spec/javascripts/analytics/static-analytics-spec.js
+++ b/spec/javascripts/analytics/static-analytics-spec.js
@@ -68,6 +68,16 @@ describe("GOVUK.StaticAnalytics", function() {
         expect(pageViewObject.dimension42).toEqual('name-of-test:name-of-ab-bucket');
         expect(pageViewObject.dimension48).toEqual('name-of-other-test:name-of-other-ab-bucket');
       });
+      it('sets the spelling suggestion as dimension 81', function() {
+        $('head').append('\
+          <meta name="govuk:spelling-suggestion" content="driving">\
+        ');
+
+        analytics = new GOVUK.StaticAnalytics({universalId: 'universal-id'});
+        pageViewObject = getPageViewObject();
+
+        expect(pageViewObject.dimension81).toEqual('driving');
+      });
 
       it('ignores A/B meta tags with invalid dimensions', function () {
         $('head').append('\