diff --git a/testscour.py b/testscour.py
index b2f24e6..653e278 100755
--- a/testscour.py
+++ b/testscour.py
@@ -891,6 +891,20 @@ class DoNotCollapseMultiplyReferencedGradients(unittest.TestCase):
                             'Multiply-referenced linear gradient collapsed')
 
 
+class PreserveXLinkHrefWhenCollapsingReferencedGradients(unittest.TestCase):
+
+    def runTest(self):
+        doc = scourXmlFile('unittests/collapse-gradients-preserve-xlink-href.svg')
+        g1 = doc.getElementById("g1")
+        g2 = doc.getElementById("g2")
+        g3 = doc.getElementById("g3")
+        self.assertTrue(g1, 'g1 is still present')
+        self.assertTrue(g2 is None, 'g2 was removed')
+        self.assertTrue(g3, 'g3 is still present')
+        self.assertEqual(g3.getAttributeNS('http://www.w3.org/1999/xlink', 'href'), '#g1',
+                         'g3 has a xlink:href to g1')
+
+
 class RemoveTrailingZerosFromPath(unittest.TestCase):
 
     def runTest(self):
diff --git a/unittests/collapse-gradients-preserve-xlink-href.svg b/unittests/collapse-gradients-preserve-xlink-href.svg
new file mode 100644
index 0000000..f736922
--- /dev/null
+++ b/unittests/collapse-gradients-preserve-xlink-href.svg
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<defs>
+  <linearGradient id="g1" x1="0" y1="0" x2="1" y2="0" gradientUnits="userSpaceOnUse">
+    <stop offset="0" stop-color="blue" />
+    <stop offset="1" stop-color="yellow" />
+  </linearGradient>
+  <radialGradient id="g2" xlink:href="#g1" cx="100" cy="100" r="70"/>
+  <radialGradient id="g3" xlink:href="#g2" cx="100" cy="100" r="70"/>
+</defs>
+<rect fill="url(#g1)" width="200" height="200"/>
+<rect fill="url(#g3)" width="200" height="200" y="200"/>
+</svg>