diff --git a/src/db_utils/db_creation.py b/src/db_utils/db_creation.py
index 3577d3c8b4078199f7103c689f1524f1100ec2dd..2ecc181937532eee65c5fb075415bcdb746908a3 100755
--- a/src/db_utils/db_creation.py
+++ b/src/db_utils/db_creation.py
@@ -85,6 +85,7 @@ def create_cin_gene_frequency_table(conn: sqlite3.Connection) -> None:
     c.execute('''CREATE TABLE IF NOT EXISTS cin_gene_frequency
                  ([id] INT NOT NULL,
                  [ft] VARCHAR(3) NOT NULL,
+                 [ft_type] VARCHAR(3) NOT NULL,
                  [id_gene] INT NOT NULL,
                  [frequency] FLOAT NULL,
                  PRIMARY KEY ([id]),
@@ -101,7 +102,8 @@ def create_cin_exon_frequency_table(conn: sqlite3.Connection) -> None:
     c = conn.cursor()
     c.execute('''CREATE TABLE IF NOT EXISTS cin_exon_frequency
             ([id] INT NOT NULL,
-            [ft] VARCHAR(3) NOT NULL,
+            [ft] VARCHAR(50) NOT NULL,
+            [ft_type] VARCHAR(10) NOT NULL,
             [id_exon] VARCHAR(30) NOT NULL,
             [frequency] FLOAT NULL,
             PRIMARY KEY ([id]),