diff --git a/src/main/java/br/com/rafael/math/vector/Vector3D.java b/src/main/java/br/com/rafael/math/vector/Vector3D.java
index 85b41ff..0cc8f49 100644
--- a/src/main/java/br/com/rafael/math/vector/Vector3D.java
+++ b/src/main/java/br/com/rafael/math/vector/Vector3D.java
@@ -145,11 +145,11 @@ public Vector3D normalize() {
     return clone().normalizeMe();
   }
   
-  public Vector3D resizeMe(float size) {
+  public Vector3D resizeMe(double size) {
     return normalizeMe().multiplyMe(size);
   }
   
-  public Vector3D resize(float size) {
+  public Vector3D resize(double size) {
     return clone().resizeMe(size);
   }