diff --git a/lib_source/qml/Qt5/RibbonRectangle.qml b/lib_source/qml/Qt5/RibbonRectangle.qml
index 583e1f7..9c5af78 100644
--- a/lib_source/qml/Qt5/RibbonRectangle.qml
+++ b/lib_source/qml/Qt5/RibbonRectangle.qml
@@ -66,6 +66,7 @@ Item {
             implicitHeight: container.height
             implicitWidth: container.width
             maskSource: shape
+            invert: control.color === "transparent" || control.color === "#00000000"
         }
     }
 }
diff --git a/lib_source/qml/Qt6/RibbonRectangle.qml b/lib_source/qml/Qt6/RibbonRectangle.qml
index 0f276ef..7ef2343 100644
--- a/lib_source/qml/Qt6/RibbonRectangle.qml
+++ b/lib_source/qml/Qt6/RibbonRectangle.qml
@@ -68,6 +68,7 @@ Item {
             implicitHeight: container.height
             implicitWidth: container.width
             maskSource: shape
+            invert: control.color === "transparent" || control.color === "#00000000"
         }
     }
 }