diff --git a/src/framework/platform/x11window.cpp b/src/framework/platform/x11window.cpp
index fbc4e4dd1..814411072 100644
--- a/src/framework/platform/x11window.cpp
+++ b/src/framework/platform/x11window.cpp
@@ -539,6 +539,11 @@ bool X11Window::internalSetupWindowInput()
 
     XSetLocaleModifiers("");
     m_xim = XOpenIM(m_display, nullptr, nullptr, nullptr);
+    if (!m_xim) {
+        // Fallback to internal XIM if ibus/fcitx daemon is unavailable or incompatible
+        XSetLocaleModifiers("@im=none");
+        m_xim = XOpenIM(m_display, nullptr, nullptr, nullptr);
+    }
     if (!m_xim) {
         g_logger.error("XOpenIM failed");
         return false;