diff --git a/flip.js b/flip.js
index 7a7e5d9..9e16ee1 100644
--- a/flip.js
+++ b/flip.js
@@ -1,4 +1,14 @@
+var flipped = false;
+
 function flipCard() {
-    document.getElementById('card-front').style.transform = 'rotateX(-180deg)';
-    document.getElementById('card-back').style.transform = 'rotateX(0deg)';
+
+    if (!flipped) {
+        document.getElementById('card-front').style.transform = 'rotateX(-180deg)';
+        document.getElementById('card-back').style.transform = 'rotateX(0deg)';
+        flipped = true;
+    }else{
+        document.getElementById('card-front').style.transform = 'rotateX(0deg)';
+        document.getElementById('card-back').style.transform = 'rotateX(-180deg)';
+        flipped = false;
+    }
 }
\ No newline at end of file