diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/OpenPgpService.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/OpenPgpService.java
index 365401584..da419b241 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/OpenPgpService.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/OpenPgpService.java
@@ -226,6 +226,10 @@ public class OpenPgpService extends RemoteService {
                                       boolean sign) {
         try {
             boolean asciiArmor = data.getBooleanExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true);
+            String originalFilename = data.getStringExtra(OpenPgpApi.EXTRA_ORIGINAL_FILENAME);
+            if (originalFilename == null) {
+                originalFilename = "";
+            }
 
             long[] keyIds;
             if (data.hasExtra(OpenPgpApi.EXTRA_KEY_IDS)) {
@@ -271,7 +275,8 @@ public class OpenPgpService extends RemoteService {
                 builder.setEnableAsciiArmorOutput(asciiArmor)
                         .setCompressionId(accSettings.getCompression())
                         .setSymmetricEncryptionAlgorithm(accSettings.getEncryptionAlgorithm())
-                        .setEncryptionMasterKeyIds(keyIds);
+                        .setEncryptionMasterKeyIds(keyIds)
+                        .setOriginalFilename(originalFilename);
 
                 if (sign) {
                     String passphrase;
diff --git a/extern/openpgp-api-lib b/extern/openpgp-api-lib
index 777d22d75..940a1d8ee 160000
--- a/extern/openpgp-api-lib
+++ b/extern/openpgp-api-lib
@@ -1 +1 @@
-Subproject commit 777d22d75da9bfecf0bcfe2088da3fef01b2259f
+Subproject commit 940a1d8eebe297e6a94f417a24c0403f1d8d650f