diff --git a/src/main/c/Stefan/blackjack.c b/src/main/c/Stefan/blackjack.c
index a4878e7..2268373 100644
--- a/src/main/c/Stefan/blackjack.c
+++ b/src/main/c/Stefan/blackjack.c
@@ -1,8 +1,7 @@
 #include "blackjack.h"
 #include <stdio.h>
 #include <stdlib.h>
-#include <time.h>
-
+#include <stdbool.h>
 
 int blackjack(){
 
@@ -62,6 +61,8 @@ int getRandCard(){
 
     if(r > 10){
         return 10;
+    } else if(r == 1){
+        return 11;
     }
 
     return r;
@@ -87,6 +88,8 @@ int playBJ(int bet, int balance){
             userCardArray[1] = getRandCard();
             printf("user rand card: %d\n", userCardArray[1]);
 
+            checkForBlackjack(userCardArray);
+
 
             free(userCardArray);
         }
@@ -95,4 +98,12 @@ int playBJ(int bet, int balance){
     }
 
     return balance;
+}
+
+bool checkForBlackjack(int userCardArray[]){
+    if(userCardArray[0] + userCardArray[1] == 21){
+        printf("BLACKJACK!\n");
+        return true;
+    }
+    return false;
 }
\ No newline at end of file
diff --git a/src/main/c/Stefan/blackjack.h b/src/main/c/Stefan/blackjack.h
index af00859..1388b18 100644
--- a/src/main/c/Stefan/blackjack.h
+++ b/src/main/c/Stefan/blackjack.h
@@ -1,6 +1,7 @@
 #ifndef BLACKJACK_H
 #define BLACKJACK_H
 
+#include <stdbool.h>
 
 int blackjack();
 int getBalanceBJ();
@@ -8,5 +9,6 @@ int getBetBJ(int balance);
 int userInputBJ();
 int getRandCard();
 int playBJ(int bet, int balance);
+bool checkForBlackjack(int userCards[]);
 
 #endif // BLACKJACK_H
\ No newline at end of file
diff --git a/src/test/c/Stefan/test_blackjack.c b/src/test/c/Stefan/test_blackjack.c
index 092557c..6217651 100644
--- a/src/test/c/Stefan/test_blackjack.c
+++ b/src/test/c/Stefan/test_blackjack.c
@@ -6,22 +6,28 @@ void setUp() {}
 void tearDown() {}
 
 
-void test_1() {
+void test_blackjack() {
 
     //arrange
+    int userCards[] = {10, 11};
 
     //act
+    bool result = checkForBlackjack(userCards);
 
     //assert
+    TEST_ASSERT_TRUE(result);
     
 }
 
-void test_2() {
+void test_no_blackjack() {
 
     //arrange
+    int userCards[] = {10, 10};
 
     //act
+    bool result = checkForBlackjack(userCards);
 
     //assert
-    
+    TEST_ASSERT_FALSE(result);
+
 }
\ No newline at end of file