diff --git a/src/browserlib/extract-cssdfn.mjs b/src/browserlib/extract-cssdfn.mjs
index 295f69c6..89d7c5af 100644
--- a/src/browserlib/extract-cssdfn.mjs
+++ b/src/browserlib/extract-cssdfn.mjs
@@ -435,11 +435,19 @@ const extractDlDfns = dl => {
     }));
   }
   else {
-    // Markup does not seem to contain IDs, let's extract the text instead
-    const value = normalize(cleanedLine.querySelector('td:last-child').textContent);
-    res = value.split(',').map(name => Object.assign({
-      name: normalize(name.replace(/'/g, ''))
-    }));
+    // Markup does not use definitions, let's look for an ID in the dt itself
+    const dt = dl.querySelector('dt');
+    if (dt.id) {
+      res = [{
+        name: normalize(dt.textContent.replace(/'/g, '')),
+        href: getAbsoluteUrl(dt)
+      }];
+    }
+    else {
+      res = dt.textContent.split(',').map(name => Object.assign({
+        name: normalize(name.replace(/'/g, ''))
+      }));
+    }
   }
 
   const properties = [...dl.querySelectorAll('dd table tr')]
diff --git a/tests/extract-css.js b/tests/extract-css.js
index 780d1ec8..83aae24e 100644
--- a/tests/extract-css.js
+++ b/tests/extract-css.js
@@ -1525,6 +1525,59 @@ that spans multiple lines */
       "name": "background-color",
       "value": "<color>"
    }]
+  },
+
+  {
+    title: 'extracts the definition ID from a dt element when needed (SVG11)',
+    html: `<div class="propdef">
+      <dl>
+        <dt id="lighting-color">‘lighting-color’</dt>
+        <dd>
+          <table><tbody>
+            <tr>
+              <td><em>Value:</em>&nbsp;&nbsp;</td>
+              <td>currentColor |<br> &lt;color&gt;</a> [&lt;icccolor&gt;] |<br> inherit</td>
+            </tr>
+            <tr>
+              <td><em>Initial:</em>&nbsp;&nbsp;</td>
+              <td>white</td>
+            </tr>
+          </tbody></table>
+        </dd>
+      </dl>
+    </div>`,
+   css: [{
+      "name": "‘lighting-color’",
+      "href": "about:blank#lighting-color",
+      "value": "currentColor | <color> [<icccolor>] | inherit",
+      "initial": "white"
+   }]
+  },
+
+  {
+    title: 'does not choke on the absence of a definition ID when dt elements are used (SVG11)',
+    html: `<div class="propdef">
+      <dl>
+        <dt>‘lighting-color’</dt>
+        <dd>
+          <table><tbody>
+            <tr>
+              <td><em>Value:</em>&nbsp;&nbsp;</td>
+              <td>currentColor |<br> &lt;color&gt;</a> [&lt;icccolor&gt;] |<br> inherit</td>
+            </tr>
+            <tr>
+              <td><em>Initial:</em>&nbsp;&nbsp;</td>
+              <td>white</td>
+            </tr>
+          </tbody></table>
+        </dd>
+      </dl>
+    </div>`,
+   css: [{
+      "name": "‘lighting-color’",
+      "value": "currentColor | <color> [<icccolor>] | inherit",
+      "initial": "white"
+   }]
   }
 ];