diff --git a/src/Filter.cpp b/src/Filter.cpp
index 79aad11a6..d6f0919df 100644
--- a/src/Filter.cpp
+++ b/src/Filter.cpp
@@ -111,6 +111,11 @@ void Filter::subset (const std::vector <Task>& input, std::vector <Task>& output
 
       Variant var;
       eval.evaluateCompiledExpression (var);
+      // TODO Switch to this:
+/*
+      if (var.get_bool ())
+        output.push_back (*task);
+*/
 
       // TODO Obsolete filter comparison.
       if (context.config.getBoolean ("debug"))