diff --git a/Webservice/server.js b/Webservice/server.js
index 6fbe195..37d6424 100644
--- a/Webservice/server.js
+++ b/Webservice/server.js
@@ -154,8 +154,8 @@ io.on('connection', socket => {
         }
     });
 
-    socket.on('card finished', function (difficulty) {
-        gameState['players'][gameState['whosNext']].move(difficulty); //TODO: stop players from moving when answer is wrong
+    socket.on('card finished', function (difficulty, answerIsCorrect) {
+        if (answerIsCorrect) gameState['players'][gameState['whosNext']].move(difficulty);
         gameState['whosNext'] += 1;
         if(gameState['whosNext'] === gameState['players'].length) gameState['whosNext'] = 0;
         io.in(socket.room).emit('card destroyed');
diff --git a/public/js/Card.js b/public/js/Card.js
index 7e7b8e2..2fd7f81 100644
--- a/public/js/Card.js
+++ b/public/js/Card.js
@@ -79,16 +79,17 @@ function Card(game_board_size, s, a1, a2, a3, a4, d, your_turn) {
         // OK-Button
         this.card.addChild(new Button(0xffffff, 0xcccccc, 0xffffff, this.card_width - 40, 100, this.card_x + 20, this.card_y + this.card_height - 120, "OK", null, function () {
             if (answer !== null) {
-                if (_this.right_answer === answer) {
+                if (_this.right_answer === answer) { //TODO: do this in backend instead to prevent cheating
                     console.log("Richtig");
+                    socket.emit('card finished', d, true);
                 } else {
                     console.log("Falsch");
+                    socket.emit('card finished', d, false);
                 }
                 show_card = false;
                 answer = null;
                 diced = false;
                 rolled_number = null;
-                socket.emit('card finished', d);
             } else {
                 alert("Bitte wähle eine Antwortmöglichkeit aus");
             }