diff --git a/docs/static/schema.json b/docs/static/schema.json
index 2bb4e469..3026c24a 100644
--- a/docs/static/schema.json
+++ b/docs/static/schema.json
@@ -348,7 +348,9 @@
         "defer": {
           "description": "Run a command when the task completes. This command will run even when the task fails",
           "anyOf": [
-            "string",
+            {
+              "type": "string"
+            },
             {
               "type": "object",
               "properties": {