diff --git a/tracetools_analysis/tracetools_analysis/processor/__init__.py b/tracetools_analysis/tracetools_analysis/processor/__init__.py
index 693fb9a..b04ff0f 100644
--- a/tracetools_analysis/tracetools_analysis/processor/__init__.py
+++ b/tracetools_analysis/tracetools_analysis/processor/__init__.py
@@ -179,6 +179,8 @@ class DepedencySolver():
             for dependency_type in handler_type.dependencies():
                 DepedencySolver._solve_type(dependency_type, visited, result)
             visited.add(handler_type)
+            # FIXME if it exists in the initial handler instances use that instead
+            # otherwise that instance is going to be replaced by the new instance below
             result.append(handler_type())