diff --git a/utils/database.py b/utils/database.py
index 82f769b..dc8c312 100644
--- a/utils/database.py
+++ b/utils/database.py
@@ -542,6 +542,14 @@ class Database:
         conn = self._connect()
         try:
             cursor = conn.cursor()
+            # Skip if an identical memory already exists for this user
+            cursor.execute(
+                "SELECT COUNT(*) FROM UserMemory WHERE UserId = ? AND Memory = ?",
+                user_id, memory[:500],
+            )
+            if cursor.fetchone()[0] > 0:
+                cursor.close()
+                return
             cursor.execute(
                 """INSERT INTO UserMemory (UserId, Memory, Topics, Importance, ExpiresAt, Source)
                    VALUES (?, ?, ?, ?, ?, ?)""",