diff --git a/README.md b/README.md
index 0a3c0c5..ce97dbe 100644
--- a/README.md
+++ b/README.md
@@ -12,3 +12,5 @@ test ModulatingForceBot
 `access_token = <oath token>`
 
 `bot_channels = <chnl1>,<chnl2>`
+
+`prefix = <prefix>`
\ No newline at end of file
diff --git a/src/core/botinstance.rs b/src/core/botinstance.rs
index f7f4f15..862fb4e 100644
--- a/src/core/botinstance.rs
+++ b/src/core/botinstance.rs
@@ -53,6 +53,7 @@ impl BotInstance {
         // let login_name = "modulatingforcebot".to_owned();
         let login_name = env::var("login_name").unwrap().to_owned();
         let oauth_token = env::var("access_token").unwrap().to_owned();
+        let prefix = env::var("prefix").unwrap().to_owned().chars().next().expect("ERROR : when defining prefix");
 
         /*
         Vector of channels to join
@@ -81,7 +82,8 @@ impl BotInstance {
         
 
         let mut b = BotInstance {
-            prefix : '>',
+            //prefix : '>',
+            prefix : prefix,
             bot_channel : login_name ,
             // tclient : TwitchClient { incoming_messages , client },
             incoming_messages : incoming_messages,