diff --git a/go/seatlist/bootstrap/node-engine.json b/go/seatlist/bootstrap/node-engine.json
index 237a651..49462e9 100644
--- a/go/seatlist/bootstrap/node-engine.json
+++ b/go/seatlist/bootstrap/node-engine.json
@@ -856,16 +856,28 @@
                 "description": "the digest of the node's own composition it runs"
               },
               "windows": {
-                "type": "object"
+                "type": "array",
+                "items": {
+                  "type": "object"
+                }
               },
               "busy": {
-                "type": "object"
+                "type": "array",
+                "items": {
+                  "type": "object"
+                }
               },
               "strays": {
-                "type": "object"
+                "type": "array",
+                "items": {
+                  "type": "object"
+                }
               },
               "filters": {
-                "type": "object"
+                "type": "array",
+                "items": {
+                  "type": "object"
+                }
               },
               "profile": {
                 "type": "object"
diff --git a/go/seatlist/seatlisttest/seats/node-engine.json b/go/seatlist/seatlisttest/seats/node-engine.json
index 237a651..49462e9 100644
--- a/go/seatlist/seatlisttest/seats/node-engine.json
+++ b/go/seatlist/seatlisttest/seats/node-engine.json
@@ -856,16 +856,28 @@
                 "description": "the digest of the node's own composition it runs"
               },
               "windows": {
-                "type": "object"
+                "type": "array",
+                "items": {
+                  "type": "object"
+                }
               },
               "busy": {
-                "type": "object"
+                "type": "array",
+                "items": {
+                  "type": "object"
+                }
               },
               "strays": {
-                "type": "object"
+                "type": "array",
+                "items": {
+                  "type": "object"
+                }
               },
               "filters": {
-                "type": "object"
+                "type": "array",
+                "items": {
+                  "type": "object"
+                }
               },
               "profile": {
                 "type": "object"