diff --git a/modules/Cpu.qml b/modules/Cpu.qml
index 52c3420..db88749 100644
--- a/modules/Cpu.qml
+++ b/modules/Cpu.qml
@@ -202,8 +202,18 @@ M.BarSection {
                         property var _hist: root._coreHistory[parent.parent.index] || []
                         property color _col: parent.parent._barColor
 
-                        on_HistChanged: requestPaint()
-                        on_ColChanged: requestPaint()
+                        on_HistChanged: if (root._showPanel)
+                            requestPaint()
+                        on_ColChanged: if (root._showPanel)
+                            requestPaint()
+
+                        Connections {
+                            target: root
+                            function on_ShowPanelChanged() {
+                                if (root._showPanel)
+                                    sparkline.requestPaint();
+                            }
+                        }
 
                         onPaint: {
                             const ctx = getContext("2d");