diff --git a/src/SMAPI.Web/wwwroot/schemas/content-patcher.json b/src/SMAPI.Web/wwwroot/schemas/content-patcher.json
index 4d844443..b75782fe 100644
--- a/src/SMAPI.Web/wwwroot/schemas/content-patcher.json
+++ b/src/SMAPI.Web/wwwroot/schemas/content-patcher.json
@@ -344,7 +344,7 @@
         "Condition": {
             "type": "object",
             "additionalProperties": {
-                "type": "string"
+                "type": [ "boolean", "string" ]
             }
         },
         "Rectangle": {