diff --git a/app/src/main/java/com/codigoparallevar/minicards/CardFile.java b/app/src/main/java/com/codigoparallevar/minicards/CardFile.java
index 3b3c814..1ca279b 100644
--- a/app/src/main/java/com/codigoparallevar/minicards/CardFile.java
+++ b/app/src/main/java/com/codigoparallevar/minicards/CardFile.java
@@ -142,7 +142,7 @@ public class CardFile {
     }
 
     public void save(Context context) throws IOException {
-        String cardPath = getDefaultCardStorage(context) + PATH_SEPARATOR + name;
+        String cardPath = getDefaultCardStorage(context) + PATH_SEPARATOR + name + ".json";
 
         save(cardPath);
     }