diff --git a/src/main.rs b/src/main.rs
index 279d8d8..efdbeef 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -60,14 +60,12 @@ fn convert(input: &str, dangerous: bool) -> Result<String, Message> {
 }
 
 fn render(template: &str, values: &HashMap<&str, &str>) -> String {
-    let mut result = String::from(template);
-
-    for (key, value) in values {
-        let pattern = format!("{{{{ {key} }}}}");
-        result = result.replace(&pattern, value)
-    }
-
-    result
+    return values
+        .iter()
+        .fold(String::from(template), |result, (key, value)| {
+            let pattern = format!("{{{{ {key} }}}}");
+            result.replace(&pattern, value)
+        });
 }
 
 fn main() -> Result<()> {