diff --git a/karma-tests/wombat.spec.js b/karma-tests/wombat.spec.js
index bdaf49f0..4204389f 100644
--- a/karma-tests/wombat.spec.js
+++ b/karma-tests/wombat.spec.js
@@ -142,6 +142,7 @@ describe('WombatJS', function () {
                 initScript: function () {
                     wbinfo = {
                         wombat_opts: {},
+                        wombat_scheme: 'http',
                         prefix: window.location.origin,
                         wombat_ts: '',
                         is_live: false,
@@ -183,6 +184,7 @@ describe('WombatJS', function () {
                         wombat_opts: {},
                         prefix: window.location.origin,
                         wombat_ts: '',
+                        wombat_scheme: 'http',
                         is_live: false,
                         top_url: ''
                     };
@@ -205,6 +207,7 @@ describe('WombatJS', function () {
                 initScript: function () {
                     wbinfo = {
                         wombat_opts: {},
+                        wombat_scheme: 'http',
                         is_live: false,
                         top_url: ''
                     };
diff --git a/pywb/static/wombat.js b/pywb/static/wombat.js
index 4852d427..216058e9 100644
--- a/pywb/static/wombat.js
+++ b/pywb/static/wombat.js
@@ -505,7 +505,7 @@ var _WBWombat = function($wbwindow, wbinfo) {
             }
 
             if (href != orig_href && !starts_with(href, VALID_PREFIXES)) {
-                href = HTTP_PREFIX + href;
+                href = wb_orig_scheme + href;
             }
         }
 
@@ -514,7 +514,7 @@ var _WBWombat = function($wbwindow, wbinfo) {
         }
 
         if (starts_with(href, REL_PREFIX)) {
-            href = "http:" + href;
+            href = wb_info.wombat_scheme +  ":" + href;
         }
 
         return href;