diff --git a/flags/calling.aconfig b/flags/calling.aconfig
index 906abfc..3bd994f 100644
--- a/flags/calling.aconfig
+++ b/flags/calling.aconfig
@@ -70,3 +70,14 @@
     description: "Used to notify the emergency callback mode for call/SMS to other applications."
     bug:"359064059"
 }
+
+# OWNER=sewookseo TARGET=25Q2
+flag {
+    name: "pass_copied_call_state_list"
+    namespace: "telephony"
+    description: "To prevent passing the TelephonyRegistry's original instance to listeners in the same process"
+    bug:"379126049"
+    metadata {
+        purpose: PURPOSE_BUGFIX
+    }
+}
\ No newline at end of file