diff --git a/src/libs/tracing/timelinemodel.cpp b/src/libs/tracing/timelinemodel.cpp
index 0be3d9e84e5..e41aa82941b 100644
--- a/src/libs/tracing/timelinemodel.cpp
+++ b/src/libs/tracing/timelinemodel.cpp
@@ -444,7 +444,10 @@ int TimelineModel::insert(qint64 startTime, qint64 duration, int selectionId)
     int index = d->insertStart(TimelineModelPrivate::Range(startTime, duration, selectionId));
     if (index < d->ranges.size() - 1)
         d->incrementStartIndices(index);
-    d->insertEnd(TimelineModelPrivate::RangeEnd(index, startTime + duration));
+    int endIndex = d->insertEnd(TimelineModelPrivate::RangeEnd(index, startTime + duration));
+    d->setEndIndex(index, endIndex);
+    if (endIndex < d->endTimes.size() - 1)
+        d->incrementEndIndices(endIndex);
     return index;
 }
 
@@ -468,7 +471,10 @@ int TimelineModel::insertStart(qint64 startTime, int selectionId)
 void TimelineModel::insertEnd(int index, qint64 duration)
 {
     d->ranges[index].duration = duration;
-    d->insertEnd(TimelineModelPrivate::RangeEnd(index, d->ranges[index].start + duration));
+    int endIndex = d->insertEnd(TimelineModelPrivate::RangeEnd(index, d->ranges[index].start + duration));
+    d->setEndIndex(index, endIndex);
+    if (endIndex < d->endTimes.size() - 1)
+        d->incrementEndIndices(endIndex);
 }
 
 bool TimelineModel::expanded() const
diff --git a/src/libs/tracing/timelinemodel_p.h b/src/libs/tracing/timelinemodel_p.h
index 98e7af20fef..88a64e1ab3c 100644
--- a/src/libs/tracing/timelinemodel_p.h
+++ b/src/libs/tracing/timelinemodel_p.h
@@ -52,13 +52,14 @@ public:
     };
 
     struct Range {
-        Range() : start(-1), duration(-1), selectionId(-1), parent(-1) {}
+        Range() : start(-1), duration(-1), selectionId(-1), parent(-1), endIndex(-1) {}
         Range(qint64 start, qint64 duration, int selectionId) :
-            start(start), duration(duration), selectionId(selectionId), parent(-1) {}
+            start(start), duration(duration), selectionId(selectionId), parent(-1), endIndex(-1) {}
         qint64 start;
         qint64 duration;
         int selectionId;
         int parent;
+        int endIndex;
         inline qint64 timestamp() const {return start;}
     };
 
@@ -77,11 +78,21 @@ public:
 
     void incrementStartIndices(int index)
     {
-        for (RangeEnd &endTime : endTimes) {
-            if (endTime.startIndex >= index)
-                ++(endTime.startIndex);
+        for (index = index + 1; index < ranges.count(); index++) {
+            if (ranges[index].endIndex >= 0)
+                endTimes[ranges[index].endIndex].startIndex++;
         }
     }
+    void incrementEndIndices(int index)
+    {
+        for (index = index + 1; index < endTimes.count(); index++)
+            ranges[endTimes[index].startIndex].endIndex++;
+    }
+
+    inline void setEndIndex(int index, int endIndex)
+    {
+        ranges[index].endIndex = endIndex;
+    }
 
     inline int insertStart(const Range &start)
     {