diff --git a/src/mappings.cpp b/src/mappings.cpp
index 073e163..502206a 100644
--- a/src/mappings.cpp
+++ b/src/mappings.cpp
@@ -59,8 +59,11 @@ std::string Mappings::map(std::string inp) {
 
   auto mapped = this->mappings[inp];
 
-  if (this->renames.count(mapped))
+  if (this->renames.count(mapped)) {
+    BOOST_LOG_TRIVIAL(info)
+        << "found rename " << mapped << " -> " << renames[mapped];
     return renames[mapped];
+  }
 
   return mapped;
 }