diff --git a/build/test/out/c/quizduell.o b/build/test/out/c/quizduell.o
index 0919ac3..9e897df 100644
Binary files a/build/test/out/c/quizduell.o and b/build/test/out/c/quizduell.o differ
diff --git a/build/test/out/test_quizduell.out b/build/test/out/test_quizduell.out
index f0d9177..3607924 100755
Binary files a/build/test/out/test_quizduell.out and b/build/test/out/test_quizduell.out differ
diff --git a/build/test/results/test_casualQuiz.pass b/build/test/results/test_casualQuiz.pass
index c2a7f76..3054f36 100644
--- a/build/test/results/test_casualQuiz.pass
+++ b/build/test/results/test_casualQuiz.pass
@@ -11,4 +11,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.016023700000005192
+:time: 0.016471099999989747
diff --git a/build/test/results/test_quizduell.pass b/build/test/results/test_quizduell.pass
index 6bdebc1..b2a7928 100644
--- a/build/test/results/test_quizduell.pass
+++ b/build/test/results/test_quizduell.pass
@@ -15,4 +15,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.029750499999977364
+:time: 0.030837499999961437
diff --git a/build/test/results/test_timequiz.pass b/build/test/results/test_timequiz.pass
index dec4f9d..5c20d1a 100644
--- a/build/test/results/test_timequiz.pass
+++ b/build/test/results/test_timequiz.pass
@@ -11,4 +11,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.016164499999945292
+:time: 0.01623769999991964
diff --git a/build/test/results/test_wwm.pass b/build/test/results/test_wwm.pass
index c4a08c4..b1bec0d 100644
--- a/build/test/results/test_wwm.pass
+++ b/build/test/results/test_wwm.pass
@@ -11,4 +11,4 @@
   :failed: 0
   :ignored: 0
 :stdout: []
-:time: 0.01664180000000215
+:time: 0.01627900000005411
diff --git a/src/quizduell.c b/src/quizduell.c
index 7672658..6ddb0e4 100644
--- a/src/quizduell.c
+++ b/src/quizduell.c
@@ -23,6 +23,13 @@ void zeigeVerfuegbareKategorien(Kategorie kategorien[]) {
     if (kategorien[2].fragen != NULL) printf("Sports\n");
 }
 
+void befreieKategorie(Kategorie* kategorie) {
+    free(kategorie->fragen);
+    kategorie->fragen = NULL;
+    kategorie->anzahlFragen = 0;
+    kategorie->joker = 0;
+}
+
 void quizduell() {
     printf("Welcome to the singleplayer quizduell!\n");