diff --git a/src/commands/ban.ts b/src/commands/ban.ts
index cdc1502..364cb7d 100644
--- a/src/commands/ban.ts
+++ b/src/commands/ban.ts
@@ -1,29 +1,9 @@
-import state from '../state';
-import * as data from '../data';
-import logger from '../logging';
-import UserBan from '../models/UserBan';
+import { ban } from '../common';
 import discord = require('discord.js');
 
 export const roles = ['Admins', 'Moderators', 'CitraBot'];
 export function command (message: discord.Message) {
   message.mentions.users.map((user) => {
-    const count = state.warnings.filter(x => x.id === user.id && !x.cleared).length || 0;
-
-    logger.info(`${message.author.toString()} has banned ${user.toString()} ${user} ${user.username}.`);
-    state.logChannel.send(`${message.author.toString()} has banned ${user} ${user.toString()} [${count}].`);
-
-    state.bans.push(new UserBan(user.id, user.username, message.author.id, message.author.username, count));
-    let member = message.guild?.member(user);
-    if (!member) {
-      state.logChannel.send(`Error banning ${user} ${user.username}: user not found.`);
-      logger.error(`User not found: ${user.toString()} ${user} ${user.username} when executing a ban`);
-      // we don't need a return here, because of the optional chaining below
-    }
-    member?.ban().catch(function (error) {
-      state.logChannel.send(`Error banning ${user.toString()} ${user.username}`);
-      logger.error(`Error banning ${user.toString()} ${user} ${user.username}.`, error);
-    });
-
-    data.flushBans();
+    ban(user, message.author, message.guild);
   });
 };
diff --git a/src/common.ts b/src/common.ts
new file mode 100644
index 0000000..25d1bf7
--- /dev/null
+++ b/src/common.ts
@@ -0,0 +1,26 @@
+import state from './state';
+import * as data from './data';
+import logger from './logging';
+import UserBan from './models/UserBan';
+import discord = require('discord.js');
+
+export function ban(user: discord.User, moderator: discord.User, guild: discord.Guild | null) {
+    const count = state.warnings.filter(x => x.id === user.id && !x.cleared).length || 0;
+
+    logger.info(`${moderator.toString()} has banned ${user.toString()} ${user} ${user.username}.`);
+    state.logChannel.send(`${moderator.toString()} has banned ${user} ${user.toString()} [${count}].`);
+
+    state.bans.push(new UserBan(user.id, user.username, moderator.id, moderator.username, count));
+    let member = guild?.member(user);
+    if (!member) {
+      state.logChannel.send(`Error banning ${user} ${user.username}: user not found.`);
+      logger.error(`User not found: ${user.toString()} ${user} ${user.username} when executing a ban`);
+      // we don't need a return here, because of the optional chaining below
+    }
+    member?.ban().catch(function (error) {
+      state.logChannel.send(`Error banning ${user.toString()} ${user.username}`);
+      logger.error(`Error banning ${user.toString()} ${user} ${user.username}.`, error);
+    });
+
+    data.flushBans();
+}