diff --git a/lib/rangy-highlighter.js b/lib/rangy-highlighter.js
index bde6ba43..6ec4a276 100644
--- a/lib/rangy-highlighter.js
+++ b/lib/rangy-highlighter.js
@@ -560,7 +560,7 @@
                 return serializedHighlights.join("|");
             },
 
-            deserialize: function(serialized) {
+            deserialize: function(serialized, cb) {
                 var serializedHighlights = serialized.split("|");
                 var highlights = [];
 
@@ -605,6 +605,7 @@
                     highlights.push(highlight);
                 }
                 this.highlights = highlights;
+                typeof cb === 'function' && cb();
             }
         };
 
diff --git a/src/modules/rangy-highlighter.js b/src/modules/rangy-highlighter.js
index 4527d5d6..37984b84 100644
--- a/src/modules/rangy-highlighter.js
+++ b/src/modules/rangy-highlighter.js
@@ -549,7 +549,7 @@ rangy.createModule("Highlighter", ["ClassApplier"], function(api, module) {
             return serializedHighlights.join("|");
         },
 
-        deserialize: function(serialized) {
+        deserialize: function(serialized, cb) {
             var serializedHighlights = serialized.split("|");
             var highlights = [];
 
@@ -594,6 +594,7 @@ rangy.createModule("Highlighter", ["ClassApplier"], function(api, module) {
                 highlights.push(highlight);
             }
             this.highlights = highlights;
+            typeof cb === 'function' && cb();
         }
     };