diff --git a/modules/i18n/input-method/fcitx5.nix b/modules/i18n/input-method/fcitx5.nix
index 9211d0b7..78eb9708 100644
--- a/modules/i18n/input-method/fcitx5.nix
+++ b/modules/i18n/input-method/fcitx5.nix
@@ -24,6 +24,7 @@ in {
     i18n.inputMethod.package = fcitx5Package;
 
     home.sessionVariables = {
+      GLFW_IM_MODULE = "ibus"; # IME support in kitty
       GTK_IM_MODULE = "fcitx";
       QT_IM_MODULE = "fcitx";
       XMODIFIERS = "@im=fcitx";