diff --git a/lib/OpenLayers/Request.js b/lib/OpenLayers/Request.js
index f348d34008..74068bc156 100644
--- a/lib/OpenLayers/Request.js
+++ b/lib/OpenLayers/Request.js
@@ -123,10 +123,12 @@ OpenLayers.Request = {
         request.onreadystatechange = function() {
             if(request.readyState == OpenLayers.Request.XMLHttpRequest.DONE) {
                 complete(request);
-                if(success && request.status >= 200 && request.status < 300) {
+                if(success && (!request.status ||
+                   (request.status >= 200 && request.status < 300))) {
                     success(request);
                 }
-                if(failure && (request.status < 200 || request.status >= 300)) {
+                if(failure && (request.status &&
+                   (request.status < 200 || request.status >= 300))) {
                     failure(request);
                 }
             }
diff --git a/tests/Request.html b/tests/Request.html
index c2831e59cd..28484d2406 100644
--- a/tests/Request.html
+++ b/tests/Request.html
@@ -20,7 +20,7 @@
     function test_issue(t) {
         setup();
 
-        t.plan(18);
+        t.plan(19);
         var request, config;
         var proto = OpenLayers.Request.XMLHttpRequest.prototype;
         var issue = OpenLayers.Function.bind(OpenLayers.Request.issue,
@@ -111,11 +111,11 @@
         
         config = {
             success: function(req) {
-                t.ok(req.status >= 200 && req.status < 300,
+                t.ok(!req.status || (req.status >= 200 && req.status < 300),
                      "success callback called with " + req.status + " status");
             },
             failure: function(req) {
-                t.ok(req.status < 200 || req.status >= 300,
+                t.ok(req.status && (req.status < 200 || req.status >= 300),
                      "failure callback called with " + req.status + " status");
             }
         };
@@ -137,6 +137,10 @@
         // mock up status 300 (1 test)
         request.status = 300;
         request.onreadystatechange();
+        
+        // mock up a status null (1 test)
+        request.status = null;
+        request.onreadystatechange();
 
         proto.send = _send;