diff --git a/VTIL-Architecture/trace/tracer.cpp b/VTIL-Architecture/trace/tracer.cpp
index fd0ad77..6840d39 100644
--- a/VTIL-Architecture/trace/tracer.cpp
+++ b/VTIL-Architecture/trace/tracer.cpp
@@ -333,8 +333,13 @@ namespace vtil
 				{
 					// Skip if it does not reach target.
 					//
+#if _DEBUG
 					if ( !target->owner->has_path( it.block, target ) )
-						return enumerator::ocontinue;
+					{
+						warning( "Iterator %s has no path to %s but is still being considered in backpropagation.",
+							   it, target->begin() );
+					}
+#endif
 
 					// Increment path count.
 					//