diff --git a/lib/src/main/java/com/raqun/oyster/CreditCardValidator.kt b/lib/src/main/java/com/raqun/oyster/CreditCardValidator.kt
index a1226c9..d13eadb 100644
--- a/lib/src/main/java/com/raqun/oyster/CreditCardValidator.kt
+++ b/lib/src/main/java/com/raqun/oyster/CreditCardValidator.kt
@@ -19,9 +19,11 @@ class CreditCardValidator private constructor(
 ) : TextWatcher {
 
     private val filterArray = arrayOfNulls<InputFilter>(1)
-    private var creditCard: CreditCard? = null
     private var isPatternValid = false
 
+    var creditCard: CreditCard? = null
+        private set
+
     var isValid = false
         private set