diff --git a/include/window.hpp b/include/window.hpp
index 5f006a1..1e6a2cb 100644
--- a/include/window.hpp
+++ b/include/window.hpp
@@ -71,7 +71,7 @@ namespace gui {
 
         Window &operator=(const Window &) = delete;
 
-        Window &operator=(Window &&other) noexcept;
+        Window &operator=(Window other) noexcept;
     };
 
     void color_10_bits() noexcept;
diff --git a/src/window.cpp b/src/window.cpp
index 1077515..8473492 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -89,9 +89,9 @@ namespace gui {
         glfwMakeContextCurrent(wwindow.get());
     }
 
-    Window &Window::operator=(Window &&other) noexcept {
-        wwindow = std::move(other.wwindow);
-        modules = std::move(other.modules);
+    Window &Window::operator=(Window other) noexcept {
+        std::swap(wwindow, other.wwindow);
+        std::swap(modules, other.modules);
         glfwSetWindowUserPointer(wwindow.get(), &modules);
         return *this;
     }