diff --git a/src/main/java/de/tims/fleetstorm/ai/Logic.java b/src/main/java/de/tims/fleetstorm/ai/Logic.java
index e6547ee..e80125d 100644
--- a/src/main/java/de/tims/fleetstorm/ai/Logic.java
+++ b/src/main/java/de/tims/fleetstorm/ai/Logic.java
@@ -38,8 +38,8 @@ public class Logic {
 		return out;
 	}
 
-	public void setLastShot(Coordinate coordinate, Matchfield matchfield) {
-		lastShot = matchfield.getField(coordinate);
+	public void setLastShot(Coordinate coordinate) {
+		lastShot = this.matchfield.getField(coordinate);
 
 	}
 
diff --git a/src/test/java/de/tims/fleetstorm/ai/LogicTest.java b/src/test/java/de/tims/fleetstorm/ai/LogicTest.java
index 8fafc91..0c47f54 100644
--- a/src/test/java/de/tims/fleetstorm/ai/LogicTest.java
+++ b/src/test/java/de/tims/fleetstorm/ai/LogicTest.java
@@ -74,9 +74,10 @@ class LogicTest {
 		int size = 4;
 		matchfield = new Matchfield(size);
 		matchfield.createMatchfield();
+		logic.setMatchfield(matchfield);
 
 		Coordinate expectedResult = new Coordinate(2, 2);
-		logic.setLastShot(expectedResult, matchfield);
+		logic.setLastShot(expectedResult);
 		Coordinate result = logic.getLastShot();
 
 		assertEquals(result, expectedResult);
@@ -96,7 +97,6 @@ class LogicTest {
 		logic.setMatchfield(matchfield);
 		result = logic.getMatchfield();
 		assertNotNull(result);
-
 	}
 
 }