diff --git a/rosjava_geometry/src/main/java/org/ros/rosjava_geometry/Vector3.java b/rosjava_geometry/src/main/java/org/ros/rosjava_geometry/Vector3.java
index 5cf1977e9494c3019c599fdd44e334b48c5af2ea..87739cad433cdb2b817782354938ec950a1d970a 100644
--- a/rosjava_geometry/src/main/java/org/ros/rosjava_geometry/Vector3.java
+++ b/rosjava_geometry/src/main/java/org/ros/rosjava_geometry/Vector3.java
@@ -98,7 +98,7 @@ public class Vector3 {
     return z;
   }
 
-  private double getMagnitudeSquared() {
+  public double getMagnitudeSquared() {
     return x * x + y * y + z * z;
   }