diff --git a/src/plugins/platforms/wayland/qwaylandcursor.cpp b/src/plugins/platforms/wayland/qwaylandcursor.cpp
index 1d3d88bea3a..4d540c5db76 100644
--- a/src/plugins/platforms/wayland/qwaylandcursor.cpp
+++ b/src/plugins/platforms/wayland/qwaylandcursor.cpp
@@ -74,7 +74,7 @@ QWaylandCursorTheme::~QWaylandCursorTheme()
 
 wl_cursor *QWaylandCursorTheme::requestCursor(WaylandCursor shape)
 {
-    if (struct wl_cursor *cursor = m_cursors.value(shape, nullptr))
+    if (struct wl_cursor *cursor = m_cursors[shape])
         return cursor;
 
     static Q_CONSTEXPR struct ShapeAndName {
@@ -206,7 +206,7 @@ wl_cursor *QWaylandCursorTheme::requestCursor(WaylandCursor shape)
                                     ShapeAndName{shape, ""}, byShape);
     for (auto it = p.first; it != p.second; ++it) {
         if (wl_cursor *cursor = wl_cursor_theme_get_cursor(m_theme, it->name)) {
-            m_cursors.insert(shape, cursor);
+            m_cursors[shape] = cursor;
             return cursor;
         }
     }
diff --git a/src/plugins/platforms/wayland/qwaylandcursor_p.h b/src/plugins/platforms/wayland/qwaylandcursor_p.h
index 751ffa68b71..3e5cff9bca1 100644
--- a/src/plugins/platforms/wayland/qwaylandcursor_p.h
+++ b/src/plugins/platforms/wayland/qwaylandcursor_p.h
@@ -109,13 +109,15 @@ private:
         ResizeNorthWestCursor,
         ResizeSouthEastCursor,
         ResizeNorthEastCursor,
-        ResizeSouthWestCursor
+        ResizeSouthWestCursor,
+
+        NumWaylandCursors
     };
 
     explicit QWaylandCursorTheme(struct ::wl_cursor_theme *theme) : m_theme(theme) {}
     struct ::wl_cursor *requestCursor(WaylandCursor shape);
     struct ::wl_cursor_theme *m_theme = nullptr;
-    QMap<WaylandCursor, wl_cursor *> m_cursors;
+    wl_cursor *m_cursors[NumWaylandCursors] = {};
 };
 
 class Q_WAYLAND_CLIENT_EXPORT QWaylandCursor : public QPlatformCursor