diff --git a/core/src/de/samdev/cannonshooter/entities/Cannon.java b/core/src/de/samdev/cannonshooter/entities/Cannon.java
index ff2866a..ed2dd5e 100644
--- a/core/src/de/samdev/cannonshooter/entities/Cannon.java
+++ b/core/src/de/samdev/cannonshooter/entities/Cannon.java
@@ -102,9 +102,9 @@ public class Cannon extends Entity {
 	public void onBulletHit(Team hit_team) {
 		if (hit_team.isNeutral) return;
 		
-		if (hit_team == team) {
+		if (hit_team == team && health < 1) {
 			health = Math.min(1, health + HEALTH_REGEN_PER_HIT);
-		} else {
+		} else if (hit_team != team) {
 			health = Math.max(0, health - HEALTH_REGEN_PER_HIT);
 		}
 	}
diff --git a/data/cannon_sketch.pdn b/data/cannon_sketch.pdn
index f98fcb5..9288ca2 100644
Binary files a/data/cannon_sketch.pdn and b/data/cannon_sketch.pdn differ
diff --git a/data/cannon_sketch.png b/data/cannon_sketch.png
new file mode 100644
index 0000000..eaa2672
Binary files /dev/null and b/data/cannon_sketch.png differ