diff --git a/src/tools/qdoc/codemarker.cpp b/src/tools/qdoc/codemarker.cpp
index ff36064941..6095d0d2fa 100644
--- a/src/tools/qdoc/codemarker.cpp
+++ b/src/tools/qdoc/codemarker.cpp
@@ -382,7 +382,7 @@ QString CodeMarker::sortName(const Node *node, const QString* name)
         (node->type() == Node::QmlSignal) ||
         (node->type() == Node::QmlSignalHandler)) {
         const FunctionNode* func = static_cast<const FunctionNode *>(node);
-        return QLatin1Char('E') + func->signature();
+        return QLatin1Char('E') + func->name();
     }
 
     return QLatin1Char('B') + nodeName;
@@ -438,8 +438,7 @@ void CodeMarker::insert(FastSection &fastSection,
     if (!irrelevant) {
         if (!inheritedMember || style == Subpage) {
             QString key = sortName(node);
-            if (!fastSection.memberMap.contains(key))
-                fastSection.memberMap.insert(key, node);
+            fastSection.memberMap.insertMulti(key, node);
         }
         else {
             if (node->parent()->type() == Node::Class) {