diff --git a/Durchschnitt.rkt b/Durchschnitt.rkt
old mode 100755
new mode 100644
diff --git a/GUI.rkt b/GUI.rkt
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new mode 100644
diff --git a/Halloween.rkt b/Halloween.rkt
old mode 100755
new mode 100644
diff --git a/LinkedList.rkt b/LinkedList.rkt
old mode 100755
new mode 100644
diff --git a/SelectionSort.rkt b/SelectionSort.rkt
old mode 100755
new mode 100644
diff --git a/test.rkt b/test.rkt
old mode 100755
new mode 100644