diff --git a/buisnesslogic/src/main/java/com/plannaplan/configutils/FileToDatabaseMigrator.java b/buisnesslogic/src/main/java/com/plannaplan/configutils/FileToDatabaseMigrator.java
index 744653a..ad955f9 100755
--- a/buisnesslogic/src/main/java/com/plannaplan/configutils/FileToDatabaseMigrator.java
+++ b/buisnesslogic/src/main/java/com/plannaplan/configutils/FileToDatabaseMigrator.java
@@ -97,7 +97,7 @@ public class FileToDatabaseMigrator {
                             .save(new Lecturer(lecturerTitle, lecturerName, lecturerSurname)));
 
             Groups group = this.groupService.find(zajCykId, grNr).orElseGet(
-                    () -> new Groups(capacity, room, course, time, capacity, groupDay, lecturer, zajCykId, grNr, typeGroup));
+                    () -> new Groups(capacity, room, course, time, groupDay, lecturer, zajCykId, grNr, typeGroup));
                 group.update(capacity, room, course, time, null, groupDay, lecturer, typeGroup);
                 
                 this.groupService.save(group);
diff --git a/buisnesslogic/src/main/java/com/plannaplan/entities/Groups.java b/buisnesslogic/src/main/java/com/plannaplan/entities/Groups.java
index 2a12410..9bf05ae 100755
--- a/buisnesslogic/src/main/java/com/plannaplan/entities/Groups.java
+++ b/buisnesslogic/src/main/java/com/plannaplan/entities/Groups.java
@@ -116,6 +116,25 @@ public class Groups {
         this.type = type;
     }
 
+    /**
+     * Groups
+     * 
+     * @param capacity capacity given to the groups
+     * @param room     room given to the groups
+     * @param course   course given to the groups
+     * @param time     time given to the groups
+     * @param day      day given to the groups
+     * @param lecturer lecturer given to the groups
+     * @param zajCykId number of class in the term
+     * @param grNr     Number of class/course
+     * @param type     type of class/cource
+     */
+    public Groups(int capacity, String room, Course course, int time, WeekDay day, Lecturer lecturer,
+            Integer zajCykId, Integer grNr, GroupType type) {
+        this(capacity, room, course, time, time + DEFAULT_CLASS_TIME, day, lecturer, zajCykId, grNr);
+        this.type = type;
+    }
+
     /**
      * Groups
      *