diff --git a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/PassphraseCacheService.java b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/PassphraseCacheService.java
index 176d09c1a..5825db01b 100644
--- a/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/PassphraseCacheService.java
+++ b/OpenPGP-Keychain/src/main/java/org/sufficientlysecure/keychain/service/PassphraseCacheService.java
@@ -26,7 +26,7 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.os.*;
 import android.util.Log;
-import android.util.LongSparseArray;
+import android.support.v4.util.LongSparseArray;
 import org.spongycastle.openpgp.PGPException;
 import org.spongycastle.openpgp.PGPPrivateKey;
 import org.spongycastle.openpgp.PGPSecretKey;