diff --git a/utils.h b/utils.h
--- a/utils.h
+++ b/utils.h
@@ -111,6 +111,7 @@
 public:
     explicit StrutRect(QRect rect = QRect(), StrutArea area = StrutAreaInvalid);
     StrutRect(const StrutRect& other);
+    StrutRect &operator=(const StrutRect& other);
     inline StrutArea area() const {
         return m_area;
     }
diff --git a/utils.cpp b/utils.cpp
--- a/utils.cpp
+++ b/utils.cpp
@@ -69,6 +69,15 @@
 {
 }
 
+StrutRect &StrutRect::operator=(const StrutRect &other)
+{
+    if (this != &other) {
+        QRect::operator=(other);
+        m_area = other.area();
+    }
+    return *this;
+}
+
 #endif
 
 #ifndef KCMRULES