diff --git a/src/Mixer.cpp b/src/Mixer.cpp
index 033bc1f..412b1d9 100644
--- a/src/Mixer.cpp
+++ b/src/Mixer.cpp
@@ -649,6 +649,9 @@ void Mixer::deleteSource(Source *s)
         // revert to mixing view
         setView(View::MIXING);
     }
+
+    // need to deeply update view to apply eventual changes
+    ++View::need_deep_update_;
 }