diff --git a/containment/package/contents/ui/colorizer/Manager.qml b/containment/package/contents/ui/colorizer/Manager.qml
index 94a25f537..ff95e14d6 100644
--- a/containment/package/contents/ui/colorizer/Manager.qml
+++ b/containment/package/contents/ui/colorizer/Manager.qml
@@ -56,7 +56,11 @@ Loader{
         }
 
         if (themeExtended) {
-            if (root.userShowPanelBackground && root.plasmaBackgroundForPopups && root.hasExpandedApplet) {
+            if (root.userShowPanelBackground && root.plasmaBackgroundForPopups && root.hasExpandedApplet /*for expanded popups when it is enabled*/
+                    || (root.themeColors === Latte.Types.SmartThemeColors /*for Smart theming that Windows colors are not used and the user wants solidness at some cases*/
+                        && root.windowColors === Latte.Types.NoneWindowColors
+                        && root.forceSolidPanel) ) {
+                /* plasma style*/
                 return theme;
             }
 
diff --git a/containment/package/contents/ui/main.qml b/containment/package/contents/ui/main.qml
index 9c69768b0..74677a807 100644
--- a/containment/package/contents/ui/main.qml
+++ b/containment/package/contents/ui/main.qml
@@ -105,7 +105,8 @@ DragDrop.DropArea {
                                     && Latte.WindowSystem.compositingActive
                                     && !root.editMode
                                     && userShowPanelBackground
-                                    && ( (plasmoid.configuration.solidBackgroundForMaximized && !hasExpandedApplet
+                                    && ( (plasmoid.configuration.solidBackgroundForMaximized
+                                          && !(hasExpandedApplet && !plasmaBackgroundForPopups)
                                           && (latteView.windowsTracker.existsWindowMaximized || latteView.windowsTracker.activeWindowTouching))
                                         || (hasExpandedApplet && plasmaBackgroundForPopups) ))
                                     || !Latte.WindowSystem.compositingActive
@@ -114,9 +115,9 @@ DragDrop.DropArea {
                                          && latteView && latteView.visibility
                                          && Latte.WindowSystem.compositingActive
                                          && !root.editMode
+                                         && !forceSolidPanel
                                          && !(windowColors === Latte.Types.TouchingWindowColors && (latteView.windowsTracker.existsWindowMaximized || latteView.windowsTracker.activeWindowTouching))
                                          && !(windowColors === Latte.Types.ActiveWindowColors && latteView.windowsTracker.existsWindowActive)
-                                         && !(hasExpandedApplet && zoomFactor===1 && plasmoid.configuration.panelSize===100)
 
     property bool forcePanelForBusyBackground: userShowPanelBackground && root.forceTransparentPanel
                                                && colorizerManager.mustBeShown && colorizerManager.backgroundIsBusy