diff --git a/build/test/out/c/quizduell.o b/build/test/out/c/quizduell.o
index b58391d..96f3a8b 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 8cf7412..46ca155 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 c1ff0ed..203a45c 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: 0.01736479999999574
+:time: 0.016698599999926955
diff --git a/build/test/results/test_quizduell.pass b/build/test/results/test_quizduell.pass
index c4c5b9c..1087de5 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: 0.03556579999985843
+:time: 0.03333500000007916
diff --git a/build/test/results/test_timequiz.pass b/build/test/results/test_timequiz.pass
index eb8593a..ddd66f9 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: 0.01705069999979969
+:time: 0.016289200000301207
diff --git a/build/test/results/test_wwm.pass b/build/test/results/test_wwm.pass
index a6a99ee..b772e98 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: 0.01840379999975994
+:time: 0.01632770000014716
diff --git a/src/quizduell.c b/src/quizduell.c
index 0048a09..ab6ee4a 100644
--- a/src/quizduell.c
+++ b/src/quizduell.c
@@ -38,6 +38,14 @@ int spieleKategorie(Kategorie* kategorie) {
                 printf("\nDo you want to use the joker? (Y/N): ");
                 scanf("%s", jokerAntwort);
                 printf(jokerAntwort);
+
+                if (toupper(jokerAntwort[0]) == 'Y') {
+                    if (kategorie->joker > 0) {
+                        kategorie->joker -= 1;
+                        jokerVerwendet = 1;
+                        printf("Joker inserted! Two incorrect answer options were deleted.\n");
+                    }
+                }
             }
 
             printf("Your answer: ");