diff --git a/tasks/user_config.yml b/tasks/user_config.yml
index 1574062..9bda6f2 100644
--- a/tasks/user_config.yml
+++ b/tasks/user_config.yml
@@ -70,3 +70,20 @@
     content: "{{ git_email }} {{ git_signing_public_key_contents.content | b64decode | trim }}\n"
   become: false
   when: git_signing_public_key.stat.exists
+
+- name: Ensure systemd user environment directory exists
+  ansible.builtin.file:
+    path: "{{ user_home }}/.config/environment.d"
+    state: directory
+    owner: "{{ user_name }}"
+    mode: "0755"
+  become: false
+
+- name: Configure GTK input method for Ghostty dead keys
+  ansible.builtin.copy:
+    dest: "{{ user_home }}/.config/environment.d/im.conf"
+    owner: "{{ user_name }}"
+    mode: "0644"
+    content: |
+      GTK_IM_MODULE=simple
+  become: false