diff --git a/lib/DAV/handler.js b/lib/DAV/handler.js
index 1570f14e..75d894d6 100644
--- a/lib/DAV/handler.js
+++ b/lib/DAV/handler.js
@@ -472,8 +472,11 @@ exports.STATUS_MAP     = {
                     var offlen = end - start + 1;
                     // Prevent buffer error
                     // https://github.com/joyent/node/blob/v0.4.5/lib/buffer.js#L337
-                    if (offlen < start)
-                        start = offlen;
+                    if (end < start) {
+                        var swapTmp = end;
+                        end = start;
+                        start = swapTmp;
+                    }
 
                     // report a different end offset, corrected by 1:
                     var clientEnd = end > 0 ? end - 1 : end;
@@ -485,7 +488,7 @@ exports.STATUS_MAP     = {
                             self.httpResponse.writeHead(206, httpHeaders);
                         };
 
-                        node.getStream(start, offlen, function(err, data) {
+                        node.getStream(start, end, function(err, data) {
                             if (err) {
                                 if (!writeStreamingHeader) {
                                     self.httpResponse.end();