diff --git a/pyproject.toml b/pyproject.toml
index 8ce4a2a..7027b38 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ build-backend = "pdm.backend"
 
 [project]
 name = "qnnpy"
-version = "0.1.15"
+version = "0.1.16"
 
 authors = [
   { name="O. Medeiros", email="omedeiro@mit.edu" },
diff --git a/src/qnnpy/functions/functions.py b/src/qnnpy/functions/functions.py
index 39e291b..22201cb 100644
--- a/src/qnnpy/functions/functions.py
+++ b/src/qnnpy/functions/functions.py
@@ -713,14 +713,14 @@ def database_connection(**kwargs) -> Connection:
 
 def log_data_to_database(table_name: str, connection=None, **kwargs):
     if connection is None:
-        conn = database_connection()
-    cur = conn.cursor()
+        connection = database_connection()
+    cur = connection.cursor()
     column_names = "`" + "`, `".join(kwargs.keys()) + "`"
     values = "'" + "', '".join([str(v) for v in kwargs.values()]) + "'"
     command = "INSERT INTO `%s` (%s) VALUES (%s)" % (table_name, column_names, values)
     cur.execute(command)
-    conn.commit()
-    conn.close()
+    connection.commit()
+    connection.close()
 
 
 def update_table(