diff --git a/src/main/c/Stefan/slot_machine.c b/src/main/c/Stefan/slot_machine.c
index c3dbd65..d959827 100644
--- a/src/main/c/Stefan/slot_machine.c
+++ b/src/main/c/Stefan/slot_machine.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <time.h>
 #include <string.h>
+#include <stdbool.h>
 
 void slotMachine(){
 
@@ -117,6 +118,11 @@ int getWinnings(char symbols[], int bet){
             }
         }
     }
+
+    if(checkForMaxWin(symbols)){
+        winnings *= 10;
+    }
+
     if (winnings > 0) {
         printf("\nDu hast %d gewonnen!\n", winnings - bet);
     }
@@ -127,6 +133,17 @@ int getWinnings(char symbols[], int bet){
     return winnings;
 }
 
+bool checkForMaxWin(char symbols[]){
+    bool maxWin = true;
+    for(int i = 1; i < NUM_OF_SYMBOLS; i++){
+        if(symbols[0] != symbols[i]){
+            maxWin = false;
+            return maxWin;
+        }
+    }
+    return maxWin;
+}
+
 void showResult(char symbols[], int winnings){
 
     char winnerMessage[10] = {""};
diff --git a/src/main/c/Stefan/slot_machine.h b/src/main/c/Stefan/slot_machine.h
index c08b4bb..0e02b9f 100644
--- a/src/main/c/Stefan/slot_machine.h
+++ b/src/main/c/Stefan/slot_machine.h
@@ -1,6 +1,7 @@
 #ifndef SLOT_MACHINE_H
 #define SLOT_MACHINE_H
 
+#include <stdbool.h>
 
 #define NUM_OF_SYMBOLS 9
 #define ROWS 3
@@ -15,5 +16,6 @@ void randomizeSymbols(char symbols[]);
 int spin(char symbols[], int bet, int balance);
 int getWinnings(char symbols[], int bet);
 void showResult(char symbols[], int winnings);
+bool checkForMaxWin(char symbols[]);
 
 #endif // SLOT_MACHINE_H
\ No newline at end of file
diff --git a/src/test/c/Stefan/test_slot_machine.c b/src/test/c/Stefan/test_slot_machine.c
index ff44d97..1fd8b1d 100644
--- a/src/test/c/Stefan/test_slot_machine.c
+++ b/src/test/c/Stefan/test_slot_machine.c
@@ -195,12 +195,12 @@ void test_3_C_3_D_won_bet_equals_10() {
     TEST_ASSERT_EQUAL_INT(expectedResult, actualResult);
 }
 
-void test_9_A_won_bet_equals_10() {
+void test_9_A_max_win_bet_equals_10() {
 
     //arrange
     char testSymbols[] = {"AAAAAAAAA"};
 
-    int expectedResult = 90;
+    int expectedResult = 900;
 
     //act
     int actualResult = getWinnings(testSymbols, 10);