diff --git a/clean_s3_user.py b/clean_s3_user.py
index 8be1989..62c9f27 100644
--- a/clean_s3_user.py
+++ b/clean_s3_user.py
@@ -106,7 +106,8 @@ class CleanS3User:
         """
         conn = {}
 
-        if not {"dbtype", "dbhost", "dbport", "dbuser", "dbpassword", "dbname"}.issubset(self.nxc_conf.keys()):
+        if not {"dbtype", "dbhost", "dbport", "dbuser", "dbpassword", "dbname", "dbtableprefix"}\
+                .issubset(self.nxc_conf.keys()):
             self.logger.error("🛑 Missing Nextcloud database configuration")
             raise ValueError("Missing Nextcloud database configuration")
         elif self.nxc_conf["dbtype"] != "mysql":
@@ -185,12 +186,12 @@ class CleanS3User:
         :return: The user Nextcloud UID
         """
         email = self.db.escape_string(email)
-        cursor.execute('SELECT uid FROM oc_accounts WHERE data LIKE \'%"email":{"value":"'+email+'","%\'')
+        cursor.execute(f"SELECT uid FROM {self.nxc_conf['dbtableprefix']}accounts WHERE data LIKE ?",
+                       ('%"email":{"value":"'+email+'","%',))
         res = cursor.next()
         return res[0] if res else None
 
-    @staticmethod
-    def all_users(cursor, exclude: [str] = None) -> [str]:
+    def all_users(self, cursor, exclude: [str] = None) -> [str]:
         """
         Return all Nextcloud users UID
         :param cursor: The database cursor
@@ -200,7 +201,7 @@ class CleanS3User:
         if exclude is None:
             exclude = []
 
-        cursor.execute("SELECT uid FROM oc_accounts")
+        cursor.execute(f"SELECT uid FROM {self.nxc_conf['dbtableprefix']}accounts")
         return list(filter(lambda u: u not in exclude, map(lambda u: u[0], cursor)))
 
     def transfer_data(self, cursor, user: str, dest_user: str):
@@ -217,9 +218,9 @@ class CleanS3User:
                        # Create or replace a temporary table to store transferring shares information
                        "SELECT sh.id, CONCAT('files/transferred from ', CONCAT(REPLACE(sh.uid_owner, '%', '\%'), ' on%/', REPLACE(SUBSTR(fc.path, 7), '%', '\%'))) as new_path "
                        # Store share id and determine the new path of the share with % escape to avoid interfering LIKE
-                       "FROM oc_share sh "
+                       f"FROM {self.nxc_conf['dbtableprefix']}share sh "
                        # Get all share
-                       "INNER JOIN oc_filecache fc ON fc.fileid = sh.file_source "
+                       f"INNER JOIN {self.nxc_conf['dbtableprefix']}filecache fc ON fc.fileid = sh.file_source "
                        # Join the filecache of each share to get the current path
                        "WHERE sh.uid_owner = ?",
                        # Filter share owner for source user
@@ -232,13 +233,13 @@ class CleanS3User:
         self.logger.info(f"🩹 Transferring {user}'s shares to {dest_user}")
         self.db.commit()  # Get database modification from the ownership transfer
 
-        cursor.execute("UPDATE oc_share sh "
+        cursor.execute(f"UPDATE {self.nxc_conf['dbtableprefix']}share sh "
                        # Get all shares
                        "INNER JOIN save_shares save ON save.id = sh.id "
                        # Join to have only saved shares in transfer
-                       "INNER JOIN oc_filecache fc ON fc.path LIKE save.new_path "
+                       f"INNER JOIN {self.nxc_conf['dbtableprefix']}filecache fc ON fc.path LIKE save.new_path "
                        # Get filecache of each share from new path
-                       "INNER JOIN oc_storages s ON s.numeric_id = fc.storage AND s.id = CONCAT('object::user:', ?) "
+                       f"INNER JOIN {self.nxc_conf['dbtableprefix']}storages s ON s.numeric_id = fc.storage AND s.id = CONCAT('object::user:', ?) "
                        # Get storage of filecache to filter only destination user files
                        "SET sh.uid_owner = SUBSTR(s.id, 14), sh.uid_initiator = SUBSTR(s.id, 14), "
                        "sh.item_source = fc.fileid, sh.file_source = fc.fileid "
@@ -250,7 +251,7 @@ class CleanS3User:
         self.logger.info(f"🩹 Removing {user} shares to {dest_user}")
         cursor.execute("DELETE sh.* "
                        # Rome share
-                       "FROM oc_share sh "
+                       f"FROM {self.nxc_conf['dbtableprefix']}share sh "
                        # Get all shares
                        "INNER JOIN save_shares save ON save.id = sh.id "
                        # Join to have only saved shares in transfer
@@ -259,8 +260,7 @@ class CleanS3User:
                        (dest_user, ))
         self.db.commit()
 
-    @staticmethod
-    def get_user_cache(cursor, user: str):
+    def get_user_cache(self, cursor, user: str):
         """
         Get the user cache
         :param cursor: The database cursor
@@ -268,8 +268,8 @@ class CleanS3User:
         :return: The database cursor with an executed statement
         """
         cursor.execute("SELECT fc.* "
-                       "FROM oc_filecache fc "
-                       "INNER JOIN oc_storages s ON s.numeric_id = fc.storage "
+                       f"FROM {self.nxc_conf['dbtableprefix']}filecache fc "
+                       f"INNER JOIN {self.nxc_conf['dbtableprefix']}storages s ON s.numeric_id = fc.storage "
                        "WHERE s.id = ?",
                        (f"object::user:{user}",))
         return cursor
@@ -307,8 +307,8 @@ class CleanS3User:
         :return: List of S3 keys
         """
         cursor.execute(f"SELECT CONCAT('{self.nxt_s3_key_prefix}', fc.fileid) "
-                       "FROM oc_filecache fc "
-                       "INNER JOIN oc_storages s ON s.numeric_id = fc.storage "
+                       f"FROM {self.nxc_conf['dbtableprefix']}filecache fc "
+                       f"INNER JOIN {self.nxc_conf['dbtableprefix']}storages s ON s.numeric_id = fc.storage "
                        "WHERE s.id = ?",
                        (f"object::user:{user}",))
         return list(map(lambda k: k[0], cursor))