diff --git a/langs/themes/cs.json b/langs/themes/cs.json
index 744ba03e51..3309e2f7c6 100644
--- a/langs/themes/cs.json
+++ b/langs/themes/cs.json
@@ -333,6 +333,18 @@
                             },
                             "question": "Kdo sem má přístup?"
                         }
+                    },
+                    "units+": {
+                        "0": {
+                            "applicableUnits": {
+                                "0": {
+                                    "human": " metr"
+                                },
+                                "1": {
+                                    "human": " stopa"
+                                }
+                            }
+                        }
                     }
                 }
             }