diff --git a/src/test/resources/queries/metaquery.json b/src/test/resources/queries/metaquery.json
index 3dcc00b..89558f6 100644
--- a/src/test/resources/queries/metaquery.json
+++ b/src/test/resources/queries/metaquery.json
@@ -65,7 +65,7 @@
             "@id": "korap-filter#id-1223232",
             "@value": {
                 "@type": "korap:term",
-                "field": "korap:field#textClass",
+                "@field": "korap:field#textClass",
                 "@value": "wissenschaft"
             }
         },
diff --git a/src/test/resources/queries/metaquery2.json b/src/test/resources/queries/metaquery2.json
index 277039f..8dd978f 100644
--- a/src/test/resources/queries/metaquery2.json
+++ b/src/test/resources/queries/metaquery2.json
@@ -68,12 +68,12 @@
                     "operands": [
                         {
                             "@type": "korap:term",
-                            "field": "korap:field#author",
+                            "@field": "korap:field#author",
                             "@value": "Hesse"
                         },
                         {
                             "@type": "korap:group",
-                            "field": "korap:field#pubDate",
+                            "@field": "korap:field#pubDate",
                             "relation": "until",
                             "operands": [
                                 {