diff --git a/bin/amc-hook b/bin/amc-hook
index 1d53459..0d460de 100755
--- a/bin/amc-hook
+++ b/bin/amc-hook
@@ -249,6 +249,11 @@ def main():
             "zellij_pane": os.environ.get("ZELLIJ_PANE_ID", ""),
         }
 
+        # Include spawn_id if present in environment (for spawn correlation)
+        spawn_id = os.environ.get("AMC_SPAWN_ID")
+        if spawn_id:
+            state["spawn_id"] = spawn_id
+
         # Turn timing: track working time from user prompt to completion
         if event == "UserPromptSubmit":
             # New turn starting - reset turn timing