diff --git a/src/main/java/fr/nancy/iut/Sphere.java b/src/main/java/fr/nancy/iut/Sphere.java
index 164a55651fc4c17eae4a5ced5fd8b3afa74b50c9..8aea1c157cf4d61338636b685f5f22538df19c48 100644
--- a/src/main/java/fr/nancy/iut/Sphere.java
+++ b/src/main/java/fr/nancy/iut/Sphere.java
@@ -28,7 +28,7 @@ public class Sphere {
   // Methods
   // ***********************************************************************
   public double computeVolume() {
-    return 4 * Math.PI * Math.pow(radius_, 2) / 3;
+    return 4 * Math.PI * Math.pow(radius_, 3) / 3;
   }
 
   public double distanceTo(Sphere other) {