diff --git a/OpenPGP-Keychain-API/example-app/src/main/java/org/sufficientlysecure/keychain/demo/OpenPgpProviderActivity.java b/OpenPGP-Keychain-API/example-app/src/main/java/org/sufficientlysecure/keychain/demo/OpenPgpProviderActivity.java
index 2f7f085c2..21eca36d6 100644
--- a/OpenPGP-Keychain-API/example-app/src/main/java/org/sufficientlysecure/keychain/demo/OpenPgpProviderActivity.java
+++ b/OpenPGP-Keychain-API/example-app/src/main/java/org/sufficientlysecure/keychain/demo/OpenPgpProviderActivity.java
@@ -185,7 +185,7 @@ public class OpenPgpProviderActivity extends Activity {
                         Log.e(Constants.TAG, "UnsupportedEncodingException", e);
                     }
 
-                    if (result.containsKey(OpenPgpConstants.RESULT_SIGNATURE)) {
+                    if (result.getBoolean(OpenPgpConstants.RESULT_SIGNATURE, false)) {
                         OpenPgpSignatureResult sigResult
                                 = result.getParcelable(OpenPgpConstants.RESULT_SIGNATURE);
                         handleSignature(sigResult);