diff --git a/build/test/out/c/quizduell.o b/build/test/out/c/quizduell.o
index 59da78b..aa7a443 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 86596dc..5a5dbe4 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 def05ed..8c08e94 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: 0.016284099999893442
+:time: 0.01674389999993764
diff --git a/build/test/results/test_quizduell.pass b/build/test/results/test_quizduell.pass
index d7808c4..6247956 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: 0.016402499999912834
+:time: 0.0310532000000876
diff --git a/build/test/results/test_timequiz.pass b/build/test/results/test_timequiz.pass
index 0927522..c0c8f07 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: 0.016148200000088764
+:time: 0.016417299999829993
diff --git a/build/test/results/test_wwm.pass b/build/test/results/test_wwm.pass
index 56caab4..eeb8bdb 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: 0.01684109999996508
+:time: 0.017943500000001222
diff --git a/src/quizduell.c b/src/quizduell.c
index 2ab3c45..e66b8c7 100644
--- a/src/quizduell.c
+++ b/src/quizduell.c
@@ -129,6 +129,11 @@ void quizduell() {
             }
         }
 
+        if (verfuegbareKategorien == 0) {
+            printf("No more available categories. Game over!\n");
+            return;
+        }
+
         return;
 
     }