diff --git a/kalamine/layout.py b/kalamine/layout.py
index a31f676..bcffe78 100644
--- a/kalamine/layout.py
+++ b/kalamine/layout.py
@@ -38,6 +38,8 @@ def load_descriptor(file_path: Path) -> Dict:
         cfg = load_descriptor(layout_path)
         if "name" not in cfg:
             cfg["name"] = layout_path.stem
+        if not "xkb_label":
+            cfg["xkb_label"] = ""
         if "extends" in cfg:
             parent_path = layout_path.parent / cfg["extends"]
             ext = load_descriptor(parent_path)
@@ -77,6 +79,7 @@ class MetaDescr:
     locale:      str = "us"
     geometry:    str = "ISO"
     description: str = ""
+    xkb_label:   str = ""
     author:      str = "nobody"
     license:     str = ""
     version:     str = "0.0.1"
@@ -96,6 +99,7 @@ class SpacebarDescr:
     "author": "nobody",
     "license": "WTFPL - Do What The Fuck You Want Public License",
     "geometry": "ISO",
+    "xkb_label": "",
 }
 
 SPACEBAR = {
diff --git a/kalamine/xkb_manager.py b/kalamine/xkb_manager.py
index 7f7aab3..5bc8518 100644
--- a/kalamine/xkb_manager.py
+++ b/kalamine/xkb_manager.py
@@ -370,12 +370,17 @@ def remove_rules_variant(variant_list: ET.Element, name: str) -> None:
         variant_list.remove(variant)
 
 
-def add_rules_variant(variant_list: ET.Element, name: str, description: str) -> None:
+def add_rules_variant(variant_list: ET.Element, name: str, description: str, xkb_label: str) -> None:
     """Add a <variant/configItem/{name,description> item to <layout/variantList>."""
 
     variant = ET.SubElement(variant_list, "variant")
     config = ET.SubElement(variant, "configItem")
     ET.SubElement(config, "name").text = name
+    if xkb_label != "":
+        # Set the label used notably by Fcitx5 in the systray, see:
+        # https://github.com/fcitx/fcitx5/issues/1555
+        # Note: `shortDescription` MUST appear before `description` for the document to be valid
+        ET.SubElement(config, "shortDescription").text = xkb_label
     ET.SubElement(config, "description").text = description
 
 
@@ -399,7 +404,8 @@ def update_rules(xkb_root: Path, kbd_index: KbdIndex) -> None:
                     remove_rules_variant(vlist, name)
                     if layout is not None:
                         description = layout.meta["description"]
-                        add_rules_variant(vlist, name, description)
+                        xkb_label = layout.meta["xkb_label"]
+                        add_rules_variant(vlist, name, description, xkb_label)
 
             ET.indent(tree)