diff --git a/app/src/dummy/java/eu/faircode/email/Send.java b/app/src/dummy/java/eu/faircode/email/Send.java
index fa1666513b..099f8274c2 100644
--- a/app/src/dummy/java/eu/faircode/email/Send.java
+++ b/app/src/dummy/java/eu/faircode/email/Send.java
@@ -15,5 +15,7 @@ public class Send {
 
     public interface IProgress {
         void onProgress(int percentage);
+
+        boolean isRunning();
     }
 }