diff --git a/src/plugins/qmlprofiler/timelinemodel.cpp b/src/plugins/qmlprofiler/timelinemodel.cpp
index 335f25e0c7b..e094b5ab696 100644
--- a/src/plugins/qmlprofiler/timelinemodel.cpp
+++ b/src/plugins/qmlprofiler/timelinemodel.cpp
@@ -140,7 +140,7 @@ TimelineModel::TimelineModelPrivate::TimelineModelPrivate(int modelId, const QSt
 void TimelineModel::TimelineModelPrivate::init(TimelineModel *q)
 {
     q_ptr = q;
-    connect(q,SIGNAL(rowHeightChanged()),q,SIGNAL(heightChanged()));
+    connect(q,SIGNAL(rowHeightChanged(int,int)),q,SIGNAL(heightChanged()));
     connect(q,SIGNAL(expandedChanged()),q,SIGNAL(heightChanged()));
     connect(q,SIGNAL(hiddenChanged()),q,SIGNAL(heightChanged()));
     connect(q,SIGNAL(emptyChanged()),q,SIGNAL(heightChanged()));
@@ -217,10 +217,10 @@ void TimelineModel::setRowHeight(int rowNumber, int height)
     int difference = height - d->rowOffsets[rowNumber] +
             (rowNumber > 0 ? d->rowOffsets[rowNumber - 1] : 0);
     if (difference != 0) {
-        for (; rowNumber < d->rowOffsets.size(); ++rowNumber) {
-            d->rowOffsets[rowNumber] += difference;
+        for (int offsetRow = rowNumber; offsetRow < d->rowOffsets.size(); ++offsetRow) {
+            d->rowOffsets[offsetRow] += difference;
         }
-        emit rowHeightChanged();
+        emit rowHeightChanged(rowNumber, height);
     }
 }
 
@@ -511,7 +511,7 @@ void TimelineModel::clear()
     d->ranges.clear();
     d->endTimes.clear();
     if (hadRowHeights)
-        emit rowHeightChanged();
+        emit rowHeightChanged(-1, -1);
     if (wasExpanded)
         emit expandedChanged();
     if (wasHidden)
diff --git a/src/plugins/qmlprofiler/timelinemodel.h b/src/plugins/qmlprofiler/timelinemodel.h
index 0fd25f22d32..4c57b3d93c0 100644
--- a/src/plugins/qmlprofiler/timelinemodel.h
+++ b/src/plugins/qmlprofiler/timelinemodel.h
@@ -110,7 +110,7 @@ public:
 signals:
     void expandedChanged();
     void hiddenChanged();
-    void rowHeightChanged();
+    void rowHeightChanged(int row, int height);
     void emptyChanged();
     void heightChanged();
     void rowCountChanged();
diff --git a/src/plugins/qmlprofiler/timelinerenderer.cpp b/src/plugins/qmlprofiler/timelinerenderer.cpp
index 707cc428111..833ec6780f8 100644
--- a/src/plugins/qmlprofiler/timelinerenderer.cpp
+++ b/src/plugins/qmlprofiler/timelinerenderer.cpp
@@ -66,14 +66,14 @@ void TimelineRenderer::setModel(QmlProfilerTimelineModel *model)
     if (m_model) {
         disconnect(m_model, SIGNAL(expandedChanged()), this, SLOT(requestPaint()));
         disconnect(m_model, SIGNAL(hiddenChanged()), this, SLOT(requestPaint()));
-        disconnect(m_model, SIGNAL(rowHeightChanged()), this, SLOT(requestPaint()));
+        disconnect(m_model, SIGNAL(rowHeightChanged(int,int)), this, SLOT(requestPaint()));
     }
 
     m_model = model;
     if (m_model) {
         connect(m_model, SIGNAL(expandedChanged()), this, SLOT(requestPaint()));
         connect(m_model, SIGNAL(hiddenChanged()), this, SLOT(requestPaint()));
-        connect(m_model, SIGNAL(rowHeightChanged()), this, SLOT(requestPaint()));
+        connect(m_model, SIGNAL(rowHeightChanged(int,int)), this, SLOT(requestPaint()));
     }
 
     emit modelChanged(m_model);