diff --git a/lib/galaxy/tools/data/__init__.py b/lib/galaxy/tools/data/__init__.py
index bef910994d47..1a70c9d32467 100644
--- a/lib/galaxy/tools/data/__init__.py
+++ b/lib/galaxy/tools/data/__init__.py
@@ -83,9 +83,9 @@ def load_from_config_file( self, config_filename, tool_data_path, from_shed_conf
                 table_elems.append( table_elem )
                 if table.name not in self.data_tables:
                     self.data_tables[ table.name ] = table
-                    log.debug( "Loaded tool data table '%s'", table.name )
+                    log.debug( "Loaded tool data table '%s' from file '%s'", table.name, filename )
                 else:
-                    log.debug( "Loading another instance of data table '%s', attempting to merge content.", table.name )
+                    log.debug( "Loading another instance of data table '%s' from file '%s', attempting to merge content.", table.name, filename )
                     self.data_tables[ table.name ].merge_tool_data_table( table, allow_duplicates=False )  # only merge content, do not persist to disk, do not allow duplicate rows when merging
                     # FIXME: This does not account for an entry with the same unique build ID, but a different path.
         return table_elems