diff --git a/Applet/AndroidSEProvider/src/com/android/javacard/keymaster/KMAndroidSEProvider.java b/Applet/AndroidSEProvider/src/com/android/javacard/keymaster/KMAndroidSEProvider.java
index 5d5a80b4..5545774f 100644
--- a/Applet/AndroidSEProvider/src/com/android/javacard/keymaster/KMAndroidSEProvider.java
+++ b/Applet/AndroidSEProvider/src/com/android/javacard/keymaster/KMAndroidSEProvider.java
@@ -282,7 +282,7 @@ public KMAndroidSEProvider() {
   }
 
   public void clean() {
-    Util.arrayFillNonAtomic(tmpArray, (short) 0, (short) 256, (byte) 0);
+    Util.arrayFillNonAtomic(tmpArray, (short) 0, TMP_ARRAY_SIZE, (byte) 0);
   }
 
   private void initECKey(KeyPair ecKeyPair) {