diff --git a/src/db_utils/db_creation.py b/src/db_utils/db_creation.py
index 883deb7838b82adb4dccc2700356891731c4351e..7a23303153909757527467ce8fc9e20818f4336a 100755
--- a/src/db_utils/db_creation.py
+++ b/src/db_utils/db_creation.py
@@ -124,7 +124,7 @@ def create_cin_exon_interaction_table(conn: sqlite3.Connection) -> None:
                 [exon2] VARCHAR(30) NOT NULL,
                 [id_project] INT NOT NULL,
                 [level] VARCHAR(25) NOT NULL,
-                [distance] VARCHAR(30),
+                [distance] INT,
                 PRIMARY KEY ([id]),
                 FOREIGN KEY ([exon1]) REFERENCES cin_exon([id]),
                 FOREIGN KEY ([exon2]) REFERENCES cin_exon([id]),
@@ -147,7 +147,7 @@ def create_cin_gene_interaction_table(conn: sqlite3.Connection) -> None:
                 [gene2] INT NOT NULL,
                 [id_project] INT NOT NULL,
                 [level] VARCHAR(25) NOT NULL,
-                [distance] FLOAT,
+                [distance] INT,
                 PRIMARY KEY ([id]),
                 FOREIGN KEY ([gene1]) REFERENCES cin_gene([id]),
                 FOREIGN KEY ([gene2]) REFERENCES cin_gene([id]),