1 files changed, 4 insertions, 3 deletions
diff --git a/src/qt/trafficgraphwidget.cpp b/src/qt/trafficgraphwidget.cpp
index 601d554c02..06f9c5134a 100644
--- a/src/qt/trafficgraphwidget.cpp
+++ b/src/qt/trafficgraphwidget.cpp
@@ -47,13 +47,14 @@ int TrafficGraphWidget::getGraphRangeMins() const
 
 void TrafficGraphWidget::paintPath(QPainterPath &path, QQueue<float> &samples)
 {
-    int h = height() - YMARGIN * 2, w = width() - XMARGIN * 2;
-    int sampleCount = samples.size(), x = XMARGIN + w, y;
+    int sampleCount = samples.size();
     if(sampleCount > 0) {
+        int h = height() - YMARGIN * 2, w = width() - XMARGIN * 2;
+        int x = XMARGIN + w;
         path.moveTo(x, YMARGIN + h);
         for(int i = 0; i < sampleCount; ++i) {
             x = XMARGIN + w - w * i / DESIRED_SAMPLES;
-            y = YMARGIN + h - (int)(h * samples.at(i) / fMax);
+            int y = YMARGIN + h - (int)(h * samples.at(i) / fMax);
             path.lineTo(x, y);
         }
         path.lineTo(x, YMARGIN + h);