diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/models/MyBullet.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/models/MyBullet.java
index ba20819..7ce959c 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/models/MyBullet.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/models/MyBullet.java
@@ -138,7 +138,7 @@
 
     public void init(Position3D pos, Quaternion3D angle) {
         setPosition(pos);
-        Vector3d v = new Vector3d(1.f, 0, 0);
+        Vector3d v = new Vector3d(-1.0f, 0, 0);
         v = v.rotate(angle);
         setVelocity(new Velocity3D(v));
     }