diff --git a/src/euler81/Cargo.toml b/src/euler81/Cargo.toml
index 8c33d0c..1d5875f 100644
--- a/src/euler81/Cargo.toml
+++ b/src/euler81/Cargo.toml
@@ -7,3 +7,6 @@ edition = "2021"
 
 [dependencies]
 dijkstra = {version = "*", path = "../../lib/dijkstra"}
+
+[profile.release]
+debug = true
diff --git a/src/euler81/src/main.rs b/src/euler81/src/main.rs
index 205c18d..d99d3a0 100644
--- a/src/euler81/src/main.rs
+++ b/src/euler81/src/main.rs
@@ -109,9 +109,13 @@ impl Matrix {
 }
 
 fn main() {
-    let mut data = Matrix::load(Path::new(FILENAME));
-    let mut dijkstra = Dijkstra::new(Box::new(&mut data));
+    let mut matrix = Matrix::load(Path::new(FILENAME));
+    let mut dijkstra = Dijkstra::new(Box::new(&mut matrix));
     dijkstra.solve();
-    let result = data.get((LENGTH - 1, LENGTH - 1)).unwrap().get_value();
+    let result = matrix
+        .get((LENGTH - 1, LENGTH - 1))
+        .unwrap()
+        .get_distance()
+        .unwrap();
     println!("{result}");
 }