diff --git a/conduit-example.toml b/conduit-example.toml
index 362f7e7e..5eed0708 100644
--- a/conduit-example.toml
+++ b/conduit-example.toml
@@ -40,6 +40,9 @@ allow_registration = true
 
 allow_federation = true
 
+# Enable the display name lightning bolt on registration.
+enable_lightning_bolt = true
+
 trusted_servers = ["matrix.org"]
 
 #max_concurrent_requests = 100 # How many requests Conduit sends to other servers at the same time
diff --git a/src/api/client_server/account.rs b/src/api/client_server/account.rs
index 17b2920a..51343ae2 100644
--- a/src/api/client_server/account.rs
+++ b/src/api/client_server/account.rs
@@ -12,7 +12,6 @@ use ruma::{
     events::{room::message::RoomMessageEventContent, GlobalAccountDataEventType},
     push, UserId,
 };
-
 use tracing::{info, warn};
 
 use register::RegistrationKind;
@@ -169,7 +168,13 @@ pub async fn register_route(
     services().users.create(&user_id, password)?;
 
     // Default to pretty displayname
-    let displayname = format!("{} ⚡️", user_id.localpart());
+    let mut displayname = user_id.localpart().to_owned();
+
+    // If enabled append lightning bolt to display name (default true)
+    if services().globals.enable_lightning_bolt() {
+        displayname.push_str(" ⚡️");
+    }
+
     services()
         .users
         .set_displayname(&user_id, Some(displayname.clone()))?;
diff --git a/src/config/mod.rs b/src/config/mod.rs
index b60b9cff..31d96b6a 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -26,6 +26,8 @@ pub struct Config {
     pub database_path: String,
     #[serde(default = "default_db_cache_capacity_mb")]
     pub db_cache_capacity_mb: f64,
+    #[serde(default = "true_fn")]
+    pub enable_lightning_bolt: bool,
     #[serde(default = "default_conduit_cache_capacity_modifier")]
     pub conduit_cache_capacity_modifier: f64,
     #[serde(default = "default_rocksdb_max_open_files")]
@@ -135,6 +137,10 @@ impl fmt::Display for Config {
                 &self.max_concurrent_requests.to_string(),
             ),
             ("Allow registration", &self.allow_registration.to_string()),
+            (
+                "Enabled lightning bolt",
+                &self.enable_lightning_bolt.to_string(),
+            ),
             ("Allow encryption", &self.allow_encryption.to_string()),
             ("Allow federation", &self.allow_federation.to_string()),
             ("Allow room creation", &self.allow_room_creation.to_string()),
diff --git a/src/service/admin/mod.rs b/src/service/admin/mod.rs
index b14ce2b1..91103785 100644
--- a/src/service/admin/mod.rs
+++ b/src/service/admin/mod.rs
@@ -626,7 +626,13 @@ impl Service {
                 services().users.create(&user_id, Some(password.as_str()))?;
 
                 // Default to pretty displayname
-                let displayname = format!("{} ⚡️", user_id.localpart());
+                let mut displayname = user_id.localpart().to_owned();
+
+                // If enabled append lightning bolt to display name (default true)
+                if services().globals.enable_lightning_bolt() {
+                    displayname.push_str(" ⚡️");
+                }
+
                 services()
                     .users
                     .set_displayname(&user_id, Some(displayname))?;
diff --git a/src/service/globals/mod.rs b/src/service/globals/mod.rs
index 44192e01..4daddab0 100644
--- a/src/service/globals/mod.rs
+++ b/src/service/globals/mod.rs
@@ -245,6 +245,10 @@ impl Service {
         self.config.default_room_version.clone()
     }
 
+    pub fn enable_lightning_bolt(&self) -> bool {
+        self.config.enable_lightning_bolt
+    }
+
     pub fn trusted_servers(&self) -> &[OwnedServerName] {
         &self.config.trusted_servers
     }