diff --git a/src/context/applets/analyzer/plugin/BlockWorker.cpp b/src/context/applets/analyzer/plugin/BlockWorker.cpp
--- a/src/context/applets/analyzer/plugin/BlockWorker.cpp
+++ b/src/context/applets/analyzer/plugin/BlockWorker.cpp
@@ -102,7 +102,7 @@
         auto &store = m_store[x];
 
         // remove obscured fadebars
-        while( !fadebars.isEmpty() && fadebars.last().y >= y )
+        while( !fadebars.isEmpty() && fadebars.last().y <= y )
             fadebars.removeLast();
 
         // remove completely faded fadebars