diff --git a/.vscode/settings.json b/.vscode/settings.json
index 54d63e6..7689fa9 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -13,6 +13,7 @@
     "yasm"
   ],
   "dotnet.preferCSharpExtension": true,
+  "rust-analyzer.check.command": "clippy",
 
   "[json]": {
     "editor.defaultFormatter": "esbenp.prettier-vscode"
diff --git a/rust/src/main.rs b/rust/src/main.rs
index 16dbf8f..e93e6cd 100644
--- a/rust/src/main.rs
+++ b/rust/src/main.rs
@@ -17,7 +17,7 @@ fn main() {
 
     // parse string
     let nums: Vec<usize> = s
-        .split(" ")
+        .split(' ')
         .map(|substr| substr.parse().expect("Failed to convert &str to usize"))
         .collect();
 
@@ -25,7 +25,7 @@ fn main() {
     writer
         .write_fmt(format_args!(
             "{} = {}\n",
-            s.replace(" ", " + "),
+            s.replace(' ', " + "),
             nums.iter().sum::<usize>()
         ))
         .expect("Failed to write to stdout");