diff --git a/cookbook/specs/spec_add_fvm.json b/cookbook/specs/spec_add_fvm.json
index c6d273752a..67054cbc79 100644
--- a/cookbook/specs/spec_add_fvm.json
+++ b/cookbook/specs/spec_add_fvm.json
@@ -1828,6 +1828,18 @@
                                         "expected_value": "0x13a"
                                     }
                                 ]
+                            },
+                            {
+                              "name": "pruning",
+                              "values": [
+                                {
+                                  "expected_value": ""
+                                },
+                                {
+                                  "extension": "archive",
+                                  "expected_value": ""
+                                }
+                              ]
                             }
                         ]
                     }