1 files changed, 12 insertions, 1 deletions
diff --git a/src/tools/qdoc/tree.cpp b/src/tools/qdoc/tree.cpp
index 98c269dccc2..a81f80f1060 100644
--- a/src/tools/qdoc/tree.cpp
+++ b/src/tools/qdoc/tree.cpp
@@ -967,7 +967,18 @@ void Tree::readIndexFile(const QString& path)
         file.close();
 
         QDomElement indexElement = document.documentElement();
-        QString indexUrl = indexElement.attribute("url", "");
+
+        // Generate a relative URL between the install dir and the index file
+        // when the -installdir command line option is set.
+        QString indexUrl;
+        if (Config::installDir.isEmpty()) {
+            indexUrl = indexElement.attribute("url", "");
+        }
+        else {
+            QDir installDir(Config::installDir);
+            indexUrl = installDir.relativeFilePath(path).section('/', 0, -2);
+        }
+
         priv->basesList.clear();
         priv->relatedList.clear();