diff --git a/shell/panelview.h b/shell/panelview.h
--- a/shell/panelview.h
+++ b/shell/panelview.h
@@ -216,6 +216,7 @@
     VisibilityMode m_visibilityMode;
     Plasma::Theme m_theme;
     QTimer m_positionPaneltimer;
+    QTimer m_resizePanelTimer;
     QTimer m_unhideTimer;
     //only for the mask, not to actually paint
     Plasma::FrameSvg *m_background;
diff --git a/shell/panelview.cpp b/shell/panelview.cpp
--- a/shell/panelview.cpp
+++ b/shell/panelview.cpp
@@ -84,6 +84,13 @@
                 positionPanel();
             });
 
+    m_resizePanelTimer.setSingleShot(true);
+    m_resizePanelTimer.setInterval(150);
+    connect(&m_resizePanelTimer, &QTimer::timeout,
+            this, [this] () {
+                resizePanel();
+            });
+
     m_unhideTimer.setSingleShot(true);
     m_unhideTimer.setInterval(500);
     connect(&m_unhideTimer, &QTimer::timeout,
@@ -211,7 +218,7 @@
 
     config().writeEntry("thickness", value);
     m_corona->requestApplicationConfigSync();
-    resizePanel();
+    m_resizePanelTimer.start();
 }
 
 int PanelView::length() const
@@ -227,7 +234,7 @@
 
     m_contentLength = value;
 
-    resizePanel();
+    m_resizePanelTimer.start();
     emit m_corona->availableScreenRegionChanged();
 }
 
@@ -251,7 +258,7 @@
     emit maximumLengthChanged();
     m_corona->requestApplicationConfigSync();
 
-    resizePanel();
+    m_resizePanelTimer.start();
 }
 
 int PanelView::minimumLength() const
@@ -274,7 +281,7 @@
     emit minimumLengthChanged();
     m_corona->requestApplicationConfigSync();
 
-    resizePanel();
+    m_resizePanelTimer.start();
 }
 
 int PanelView::distance() const
@@ -510,7 +517,7 @@
     m_minLength = qBound<int>(MINSIZE, config().readEntry<int>("minLength", side), maxSize);
 
     setVisibilityMode((VisibilityMode)config().readEntry<int>("panelVisibility", (int)NormalPanel));
-    resizePanel();
+    m_resizePanelTimer.start();
     positionPanel();
 
     emit maximumLengthChanged();