diff --git a/OGP1718-Worms/src/worms/model/Worm.java b/OGP1718-Worms/src/worms/model/Worm.java
index a234d57..b6ef5ec 100644
--- a/OGP1718-Worms/src/worms/model/Worm.java
+++ b/OGP1718-Worms/src/worms/model/Worm.java
@@ -208,6 +208,11 @@ public class Worm {
         this.orientation = orientation;
     }
 
+    /**
+     *
+     * @param newOrientation
+     * @return 
+     */
     public static boolean isValidOrientation(double newOrientation) {
         return newOrientation >= 0 && newOrientation < 2 * PI;
     }
diff --git a/OGP1718-Worms/tests/worms/model/WormTest.java b/OGP1718-Worms/tests/worms/model/WormTest.java
index b422258..212e955 100644
--- a/OGP1718-Worms/tests/worms/model/WormTest.java
+++ b/OGP1718-Worms/tests/worms/model/WormTest.java
@@ -46,7 +46,7 @@ class WormTest {
         double angle = r.nextDouble() * 4 * Math.PI - 2 * Math.PI;
         double oldAngle = worm.getOrientation();
 
-         if (0 > oldAngle + angle || 2 * Math.PI <= oldAngle + angle || worm.getActionPoints() - (long) Math.ceil(Math.toDegrees(angle) / 6) < 0) {
+         if (!Worm.isValidOrientation(oldAngle + angle) || worm.getActionPoints() - (long) Math.ceil(Math.toDegrees(angle) / 6) < 0) {
              assertThrows(AssertionError.class, () -> worm.turn(angle));
              worm = new Worm(Tuple.create(0.0, 0.0), 0, "Test", 1);
          }