diff --git a/netmap/json_tests/selector_invalid.json b/netmap/json_tests/selector_invalid.json
index 9a37ba2..32d0a09 100644
--- a/netmap/json_tests/selector_invalid.json
+++ b/netmap/json_tests/selector_invalid.json
@@ -24,7 +24,12 @@
   "tests": {
     "missing filter": {
       "policy": {
-        "replicas": [],
+        "replicas": [
+          {
+            "count": 1,
+            "selector": "MyStore"
+          }
+        ],
         "containerBackupFactor": 1,
         "selectors": [
           {
@@ -49,7 +54,12 @@
     },
     "not enough nodes (backup factor)": {
       "policy": {
-        "replicas": [],
+        "replicas": [
+          {
+            "count": 1,
+            "selector": "MyStore"
+          }
+        ],
         "containerBackupFactor": 2,
         "selectors": [
           {
@@ -74,7 +84,12 @@
     },
     "not enough nodes (buckets)": {
       "policy": {
-        "replicas": [],
+        "replicas": [
+          {
+            "count": 1,
+            "selector": "MyStore"
+          }
+        ],
         "containerBackupFactor": 1,
         "selectors": [
           {