diff --git a/schemas/ak-export.schema.json b/schemas/ak-export.schema.json
index 8ac634a1d623343b478075f8fd646be15a7054ea..b4c8d63cdee632018ab7b6a58919e45a9ef1ff63 100644
--- a/schemas/ak-export.schema.json
+++ b/schemas/ak-export.schema.json
@@ -2,6 +2,9 @@
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "schemas/ak-export.schema.json",
   "properties": {
-    "info": {"unevaluatedProperties": false}
+    "info": {
+      "$ref": "ak.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    }
   }
 }
diff --git a/schemas/participant-export.schema.json b/schemas/participant-export.schema.json
index 4c525f50006d63baab35e20155bd9fc82cfe1c37..d47a33c29bfbe4b3278feda411d7786ebb873254 100644
--- a/schemas/participant-export.schema.json
+++ b/schemas/participant-export.schema.json
@@ -14,6 +14,9 @@
           }
         }
     },
-    "info": {"unevaluatedProperties": false}
+    "info": {
+      "$ref": "participant.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    }
   }
 }
diff --git a/schemas/room-export.schema.json b/schemas/room-export.schema.json
index ea709cffcbdffe117e7eb3952d0f536abdcc3db6..8942a2d383b30f7aac1806239c2bdc9a4b9fb92d 100644
--- a/schemas/room-export.schema.json
+++ b/schemas/room-export.schema.json
@@ -2,6 +2,9 @@
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "schemas/room-export.schema.json",
   "properties": {
-    "info": {"unevaluatedProperties": false}
+    "info": {
+      "$ref": "room.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    }
   }
 }
diff --git a/schemas/solver-input-export.schema.json b/schemas/solver-input-export.schema.json
index e870d6886456ffd62895c48b185d3ffe210a6b29..6fbf48a7ef01da9dbc19cdb719e3a3bed6ae2355 100644
--- a/schemas/solver-input-export.schema.json
+++ b/schemas/solver-input-export.schema.json
@@ -7,6 +7,9 @@
     "rooms": {"items": {"$ref": "room-export.schema.json"}},
     "timeslots": {"items": {"$ref": "timeslot-export.schema.json"}},
     "aks": {"items": {"$ref": "ak-export.schema.json"}},
-    "info": {"unevaluatedProperties": false}
+    "info": {
+      "$ref": "solver-input.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    }
   }
 }
\ No newline at end of file
diff --git a/schemas/timeslot-export.schema.json b/schemas/timeslot-export.schema.json
index 5cce634ccb66e4892250a2278c5b562c374a0d7c..1689ad38add2c48e0b4be5a0764f0f9e65bc815f 100644
--- a/schemas/timeslot-export.schema.json
+++ b/schemas/timeslot-export.schema.json
@@ -2,11 +2,17 @@
   "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "schemas/timeslot-export.schema.json",
   "properties": {
-    "info": {"unevaluatedProperties": false},
+    "info": {
+      "$ref": "timeslot.schema.json#/properties/info",
+      "unevaluatedProperties": false
+    },
     "blocks": {
       "items": {
         "items": {
-          "info": {"unevaluatedProperties": false}
+          "info": {
+            "$ref": "timeslot.schema.json#/properties/blocks/items/items/info",
+            "unevaluatedProperties": false
+          }
         }
       }
     }