diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesFragment.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesFragment.java
index 8569877af..fc4c9ed75 100644
--- a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesFragment.java
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/ui/EncryptFilesFragment.java
@@ -158,6 +158,10 @@ public class EncryptFilesFragment extends Fragment implements EncryptActivityInt
     }
 
     private void encryptClicked(boolean share) {
+        if (mEncryptInterface.getInputUris().isEmpty()) {
+            Notify.showNotify(getActivity(), R.string.error_no_file_selected, Notify.Style.ERROR);
+            return;
+        }
         if (share) {
             mEncryptInterface.getOutputUris().clear();
             for (Uri uri : mEncryptInterface.getInputUris()) {
diff --git a/OpenKeychain/src/main/res/values/strings.xml b/OpenKeychain/src/main/res/values/strings.xml
index b17196587..14d0eba9b 100644
--- a/OpenKeychain/src/main/res/values/strings.xml
+++ b/OpenKeychain/src/main/res/values/strings.xml
@@ -910,6 +910,7 @@
     <string name="info_no_manual_account_creation">"Do not create OpenKeychain-Accounts manually.\nFor more information, see Help."</string>
     <string name="contact_show_key">"Show key (%s)"</string>
     <string name="swipe_to_update">"Swipe down to update from keyserver"</string>
+    <string name="error_no_file_selected">"Select at least one file to encrypt!"</string>
     <string name="error_multi_not_supported">"Saving of multiple files not supported. This is a limitation on current Android."</string>
 
     <!-- First Time -->