diff --git a/src/commands/moderation_cmds.rs b/src/commands/moderation_cmds.rs
index 0c521da..b91042c 100644
--- a/src/commands/moderation_cmds.rs
+++ b/src/commands/moderation_cmds.rs
@@ -18,6 +18,7 @@ use crate::{
     models::{
         ChannelData,
         UserData,
+        GuildData,
     },
     SQLPool,
     framework::SendFromDb,
@@ -116,3 +117,29 @@ SELECT code FROM languages WHERE code = ? OR name = ?
 
     Ok(())
 }
+
+#[command]
+async fn prefix(ctx: &Context, msg: &Message, args: String) -> CommandResult {
+    let pool = ctx.data.read().await
+        .get::<SQLPool>().cloned().expect("Could not get SQLPool from data");
+
+    let mut guild_data = GuildData::from_guild(msg.guild(&ctx).await.unwrap(), pool.clone()).await.unwrap();
+    let user_data = UserData::from_id(&msg.author, &ctx, pool.clone()).await.unwrap();
+
+    if args.len() > 5 {
+        let _ = msg.channel_id.say_named(&ctx, user_data.language, "prefix/too_long").await;
+
+    }
+    else if args.len() == 0 {
+        let _ = msg.channel_id.say_named(&ctx, user_data.language, "prefix/no_argument").await;
+    }
+    else {
+        guild_data.prefix = args;
+
+        guild_data.commit_changes(pool).await;
+
+        let _ = msg.channel_id.say_named(&ctx, user_data.language, "prefix/success").await;
+    }
+
+    Ok(())
+}
diff --git a/src/models.rs b/src/models.rs
index 80304ca..a74e6a2 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -14,12 +14,12 @@ use chrono::NaiveDateTime;
 pub struct GuildData {
     id: u32,
     guild: u64,
-    name: String,
-    prefix: String,
+    pub name: String,
+    pub prefix: String,
 }
 
 impl GuildData {
-    pub async fn from_id(guild: Guild, pool: MySqlPool) -> Result<Self, Box<dyn std::error::Error + Sync + Send>> {
+    pub async fn from_guild(guild: Guild, pool: MySqlPool) -> Result<Self, Box<dyn std::error::Error + Sync + Send>> {
         let guild_id = guild.id.as_u64().clone();
 
         if let Ok(g) = sqlx::query_as!(Self,