diff --git a/utils/statistics_server_v3.py b/utils/statistics_server_v3.py
index d6fbd36..3aa2ee2 100644
--- a/utils/statistics_server_v3.py
+++ b/utils/statistics_server_v3.py
@@ -181,7 +181,7 @@ def last_n_deals(n):
     '''
     connection = sqlite3.connect(profits_database)
     cursor = connection.cursor()
-    cursor.execute(f"SELECT * FROM profits_table ORDER BY timestamp DESC LIMIT {n}")
+    cursor.execute(f"SELECT * FROM profits_table ORDER BY timestamp DESC LIMIT ?",(n,))
     result = cursor.fetchall()
     connection.close()