diff --git a/kstars/ekos/scheduler/scheduler.cpp b/kstars/ekos/scheduler/scheduler.cpp
--- a/kstars/ekos/scheduler/scheduler.cpp
+++ b/kstars/ekos/scheduler/scheduler.cpp
@@ -326,6 +326,8 @@
 
         addToQueueB->setEnabled(sequenceEdit->text().isEmpty() == false);
         mosaicB->setEnabled(sequenceEdit->text().isEmpty() == false);
+
+        setDirty();
     }
 }