diff --git a/aquatic_udp/src/lib/handlers/announce.rs b/aquatic_udp/src/lib/handlers/announce.rs
index 9c718ac..5d73f54 100644
--- a/aquatic_udp/src/lib/handlers/announce.rs
+++ b/aquatic_udp/src/lib/handlers/announce.rs
@@ -52,7 +52,7 @@ pub fn handle_announce_requests(
         } else {
             Response::Error(ErrorResponse {
                 transaction_id: request.transaction_id,
-                message: "Info hash not allowed".to_string(),
+                message: "Info hash not allowed".into(),
             })
         };
 
diff --git a/aquatic_udp/src/lib/handlers/mod.rs b/aquatic_udp/src/lib/handlers/mod.rs
index dab6baf..a1906d9 100644
--- a/aquatic_udp/src/lib/handlers/mod.rs
+++ b/aquatic_udp/src/lib/handlers/mod.rs
@@ -143,6 +143,6 @@ pub fn run_request_worker(
 fn create_invalid_connection_response(transaction_id: TransactionId) -> Response {
     Response::Error(ErrorResponse {
         transaction_id,
-        message: "Connection invalid or expired".to_string(),
+        message: "Connection invalid or expired".into(),
     })
 }
diff --git a/aquatic_udp/src/lib/network.rs b/aquatic_udp/src/lib/network.rs
index 6f64885..d0a5506 100644
--- a/aquatic_udp/src/lib/network.rs
+++ b/aquatic_udp/src/lib/network.rs
@@ -152,9 +152,9 @@ fn read_requests(
 
                         if let Some(transaction_id) = err.transaction_id {
                             let opt_message = if err.error.is_some() {
-                                Some("Parse error".to_string())
+                                Some("Parse error".into())
                             } else if let Some(message) = err.message {
-                                Some(message)
+                                Some(message.into())
                             } else {
                                 None
                             };
diff --git a/aquatic_udp_protocol/src/response.rs b/aquatic_udp_protocol/src/response.rs
index abe76ff..c785759 100644
--- a/aquatic_udp_protocol/src/response.rs
+++ b/aquatic_udp_protocol/src/response.rs
@@ -1,3 +1,4 @@
+use std::borrow::Cow;
 use std::convert::TryInto;
 use std::io::{self, Cursor, Write};
 use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
@@ -37,7 +38,7 @@ pub struct ScrapeResponse {
 #[derive(PartialEq, Eq, Clone, Debug)]
 pub struct ErrorResponse {
     pub transaction_id: TransactionId,
-    pub message: String,
+    pub message: Cow<'static, str>,
 }
 
 #[derive(PartialEq, Eq, Clone, Debug)]
@@ -224,7 +225,7 @@ impl Response {
 
                 Ok((ErrorResponse {
                     transaction_id: TransactionId(transaction_id),
-                    message: String::from_utf8_lossy(&inner[position..]).into(),
+                    message: String::from_utf8_lossy(&inner[position..]).into_owned().into(),
                 })
                 .into())
             }
@@ -262,7 +263,7 @@ impl Response {
             }
             _ => Ok((ErrorResponse {
                 transaction_id: TransactionId(transaction_id),
-                message: "Invalid action".to_string(),
+                message: "Invalid action".into(),
             })
             .into()),
         }