diff --git a/kcms/cursortheme/xcursor/previewwidget.cpp b/kcms/cursortheme/xcursor/previewwidget.cpp
--- a/kcms/cursortheme/xcursor/previewwidget.cpp
+++ b/kcms/cursortheme/xcursor/previewwidget.cpp
@@ -92,7 +92,11 @@
     m_pixmap = QPixmap::fromImage(image);
 
     // Load the cursor
-    m_cursor = theme->loadCursor(name, size);
+    if (QX11Info::isPlatformX11()) {
+        m_cursor = theme->loadCursor(name, size);
+    } else {
+        m_cursor = XCB_CURSOR_NONE;
+    }
     // ### perhaps we should tag the cursor so it doesn't get
     //     replaced when a new theme is applied
 }
@@ -216,6 +220,7 @@
         {
             if (c != current)
             {
+                // TODO: implement for Wayland
                 const uint32_t cursor = *c;
                 if (QX11Info::isPlatformX11() && (cursor != XCB_CURSOR_NONE)) {
                     xcb_change_window_attributes(QX11Info::connection(), winId(), XCB_CW_CURSOR, &cursor);
diff --git a/kcms/cursortheme/xcursor/thememodel.cpp b/kcms/cursortheme/xcursor/thememodel.cpp
--- a/kcms/cursortheme/xcursor/thememodel.cpp
+++ b/kcms/cursortheme/xcursor/thememodel.cpp
@@ -305,11 +305,6 @@
     if (!themeDir.exists(QStringLiteral("index.theme")) && !haveCursors)
         return;
 
-    static bool isX11 = QX11Info::isPlatformX11();
-    if (!isX11) {
-        // TODO: implement Wayland Cursor Theme support
-        return;
-    }
     // Create a cursor theme object for the theme dir
     XCursorTheme *theme = new XCursorTheme(themeDir);
 
diff --git a/kcms/cursortheme/xcursor/themepage.cpp b/kcms/cursortheme/xcursor/themepage.cpp
--- a/kcms/cursortheme/xcursor/themepage.cpp
+++ b/kcms/cursortheme/xcursor/themepage.cpp
@@ -239,8 +239,9 @@
 #if HAVE_XFIXES && XFIXES_MAJOR >= 2 && XCURSOR_LIB_VERSION >= 10105
     if (!theme)
         return false;
+    const bool isX11 = QX11Info::isPlatformX11();
 
-    if (!CursorTheme::haveXfixes())
+    if (isX11 && !CursorTheme::haveXfixes())
         return false;
 
     QByteArray themeName = QFile::encodeName(theme->name());
@@ -252,11 +253,18 @@
     klauncher.setLaunchEnv(QStringLiteral("XCURSOR_THEME"), themeName);
 
     // Update the Xcursor X resources
-    runRdb(0);
+    if (isX11) {
+        runRdb(0);
+    }
 
     // Notify all applications that the cursor theme has changed
     KGlobalSettings::self()->emitChange(KGlobalSettings::CursorChanged);
 
+    if (!isX11) {
+        // TODO: Wayland clients don't reload the cursor, QtWayland doesn't support it at all
+        return false;
+    }
+
     // Reload the standard cursors
     QStringList names;
 
diff --git a/kcms/cursortheme/xcursor/xcursortheme.cpp b/kcms/cursortheme/xcursor/xcursortheme.cpp
--- a/kcms/cursortheme/xcursor/xcursortheme.cpp
+++ b/kcms/cursortheme/xcursor/xcursortheme.cpp
@@ -21,6 +21,8 @@
 #include <KConfig>
 #include <KConfigGroup>
 
+#include <QGuiApplication>
+#include <QScreen>
 #include <QCursor>
 #include <QImage>
 #include <QDir>
@@ -152,6 +154,13 @@
 
 int XCursorTheme::autodetectCursorSize() const
 {
+    if (!QX11Info::isPlatformX11()) {
+        if (QScreen *s = QGuiApplication::primaryScreen()) {
+            return s->logicalDotsPerInchY() * 16 / 72;
+        }
+        // some default value
+        return 16;
+    }
     /* This code is basically borrowed from display.c of the XCursor library
        We can't use "int XcursorGetDefaultSize(Display *dpy)" because if
        previously the cursor size was set to a custom value, it would return