diff --git a/src/deb/cross.rs b/src/deb/cross.rs
index 3ddfe63..fa15029 100644
--- a/src/deb/cross.rs
+++ b/src/deb/cross.rs
@@ -104,7 +104,7 @@ pub fn ensure_repositories(
     if !has_ports {
         // Add ports repository for the target architecture
         let mut ports_suites = vec![
-            format!("{series}"),
+            series.to_string(),
             format!("{series}-updates"),
             format!("{series}-backports"),
             format!("{series}-security"),
diff --git a/src/deb/local.rs b/src/deb/local.rs
index ca610db..d4c19a3 100644
--- a/src/deb/local.rs
+++ b/src/deb/local.rs
@@ -82,7 +82,7 @@ pub async fn build(
                     }
 
                     // Create suite list with all Ubuntu series
-                    let suites = vec![format!("{}", series)];
+                    let suites = vec![series.to_string()];
 
                     let new_source = crate::apt::sources::SourceEntry {
                         enabled: true,