diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/FileHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/FileHelper.java
index ca0749a4e..1b36ba3fc 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/FileHelper.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/FileHelper.java
@@ -193,7 +193,11 @@ public class FileHelper {
     }
 
     public static long getFileSize(Context context, Uri uri) {
-        long size = -1;
+        return getFileSize(context, uri, -1);
+    }
+
+    public static long getFileSize(Context context, Uri uri, long def) {
+        long size = def;
         try {
             Cursor cursor = context.getContentResolver().query(uri, new String[]{OpenableColumns.SIZE}, null, null, null);
 
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
index 601f45fed..19f7bc9bb 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
@@ -719,13 +719,13 @@ public class KeychainIntentService extends IntentService
                 Uri providerUri = data.getParcelable(ENCRYPT_INPUT_URI);
 
                 // InputStream
-                return new InputData(getContentResolver().openInputStream(providerUri), 0);
+                return new InputData(getContentResolver().openInputStream(providerUri), FileHelper.getFileSize(this, providerUri, 0));
 
             case IO_URIS:
                 providerUri = data.<Uri>getParcelableArrayList(ENCRYPT_INPUT_URIS).get(data.getInt(SELECTED_URI));
 
                 // InputStream
-                return new InputData(getContentResolver().openInputStream(providerUri), 0);
+                return new InputData(getContentResolver().openInputStream(providerUri), FileHelper.getFileSize(this, providerUri, 0));
 
             default:
                 throw new PgpGeneralException("No target choosen!");