diff --git a/hwe/compare/fixtures/monthly_post_diplomacy.json b/hwe/compare/fixtures/monthly_post_diplomacy.json
new file mode 100644
index 00000000..6b11a8fb
--- /dev/null
+++ b/hwe/compare/fixtures/monthly_post_diplomacy.json
@@ -0,0 +1,178 @@
+{
+  "action": "PostUpdateMonthly",
+  "environment": {
+    "year": 193,
+    "month": 2,
+    "startyear": 193,
+    "seedYear": 193,
+    "seedMonth": 1
+  },
+  "setup": {
+    "world": {
+      "hiddenSeed": "monthly-post-diplomacy-fixture"
+    },
+    "syncEnvironment": true,
+    "resetGenerals": true,
+    "deleteOtherGenerals": true,
+    "keepGeneralIds": [1, 2, 3, 4],
+    "resetNations": true,
+    "deleteOtherNations": true,
+    "keepNationIds": [1, 2, 3, 4],
+    "general": [
+      {
+        "id": 1,
+        "values": {
+          "name": "갑장",
+          "nation": 1,
+          "npc": 2,
+          "crew": 0,
+          "gold": 0,
+          "rice": 0,
+          "leadership": 10,
+          "strength": 10,
+          "intel": 10,
+          "experience": 0,
+          "dedication": 0
+        }
+      },
+      {
+        "id": 2,
+        "values": {
+          "name": "을장",
+          "nation": 2,
+          "npc": 2,
+          "crew": 0,
+          "gold": 0,
+          "rice": 0,
+          "leadership": 10,
+          "strength": 10,
+          "intel": 10,
+          "experience": 0,
+          "dedication": 0
+        }
+      },
+      {
+        "id": 3,
+        "values": {
+          "name": "병장",
+          "nation": 3,
+          "npc": 2,
+          "crew": 0,
+          "gold": 0,
+          "rice": 0,
+          "leadership": 10,
+          "strength": 10,
+          "intel": 10,
+          "experience": 0,
+          "dedication": 0
+        }
+      },
+      {
+        "id": 4,
+        "values": {
+          "name": "정장",
+          "nation": 4,
+          "npc": 2,
+          "crew": 0,
+          "gold": 0,
+          "rice": 0,
+          "leadership": 10,
+          "strength": 10,
+          "intel": 10,
+          "experience": 0,
+          "dedication": 0
+        }
+      }
+    ],
+    "nation": [
+      {
+        "id": 1,
+        "values": {
+          "name": "갑국",
+          "gennum": 2,
+          "level": 1
+        }
+      },
+      {
+        "id": 2,
+        "values": {
+          "name": "을국",
+          "gennum": 1,
+          "level": 1
+        }
+      },
+      {
+        "id": 3,
+        "values": {
+          "name": "병국",
+          "gennum": 1,
+          "level": 1
+        }
+      },
+      {
+        "id": 4,
+        "values": {
+          "name": "정국",
+          "gennum": 1,
+          "level": 1
+        }
+      }
+    ],
+    "resetDiplomacy": true,
+    "diplomacy": [
+      {
+        "fromNationId": 1,
+        "toNationId": 2,
+        "state": 1,
+        "term": 1,
+        "dead": 777
+      },
+      {
+        "fromNationId": 2,
+        "toNationId": 1,
+        "state": 1,
+        "term": 1,
+        "dead": 888
+      },
+      {
+        "fromNationId": 1,
+        "toNationId": 3,
+        "state": 0,
+        "term": 5,
+        "dead": 250
+      },
+      {
+        "fromNationId": 3,
+        "toNationId": 1,
+        "state": 0,
+        "term": 5,
+        "dead": 50
+      },
+      {
+        "fromNationId": 3,
+        "toNationId": 4,
+        "state": 0,
+        "term": 1,
+        "dead": 0
+      },
+      {
+        "fromNationId": 4,
+        "toNationId": 3,
+        "state": 0,
+        "term": 1,
+        "dead": 0
+      },
+      {
+        "fromNationId": 2,
+        "toNationId": 4,
+        "state": 7,
+        "term": 1,
+        "dead": 999
+      }
+    ]
+  },
+  "observe": {
+    "generalIds": [1, 2, 3, 4],
+    "nationIds": [1, 2, 3, 4]
+  }
+}
diff --git a/hwe/compare/monthly_event_trace.php b/hwe/compare/monthly_event_trace.php
index 51a4779c..e206915e 100644
--- a/hwe/compare/monthly_event_trace.php
+++ b/hwe/compare/monthly_event_trace.php
@@ -493,6 +493,7 @@ function comparisonMonthlyEventTraceMain(): void
                 'you' => $row['toNationId'],
                 'state' => $row['state'],
                 'term' => $row['term'],
+                'dead' => $row['dead'] ?? 0,
             ];
             DB::db()->insertUpdate('diplomacy', $diplomacyPatch, $diplomacyPatch);
         }