diff --git a/app/src/main/java/de/sopa/model/justplay/JustPlayServiceImpl.java b/app/src/main/java/de/sopa/model/justplay/JustPlayServiceImpl.java
index b57cdd42..e11234db 100644
--- a/app/src/main/java/de/sopa/model/justplay/JustPlayServiceImpl.java
+++ b/app/src/main/java/de/sopa/model/justplay/JustPlayServiceImpl.java
@@ -16,7 +16,7 @@ public class JustPlayServiceImpl implements JustPlayService {
     private int[] difficultyMoves =         {2,     2,     2,      3,      3,      3,      3,      3,       3 };
     private int[] difficultyTime =          {5,     5,     7,      8,      8,      10,     8,      6,       6 };
     private int[] difficultyScore =         {5,     10,    20,     50,     200,    1000,   2000,   4000,    8000};
-    private int[] difficultyTubesMin =      {3,     4,     4,      3,      5,      6,      8,      8,       10};
+    private int[] difficultyTubesMin =      {3,     3,     4,      3,      5,      6,      8,      8,       10};
     private int[] difficultyTubesMax =      {3,     4,     9,      5,      9,      10,     12,     12,      16};
 
     public JustPlayServiceImpl() {