diff --git a/src/drc/drc/built-in-macros/_drc_engine.rb b/src/drc/drc/built-in-macros/_drc_engine.rb
index 14a384a1a..0289344dd 100644
--- a/src/drc/drc/built-in-macros/_drc_engine.rb
+++ b/src/drc/drc/built-in-macros/_drc_engine.rb
@@ -122,7 +122,7 @@ module DRC
 
         #  Apply waive DB if possible
         wdb_file = rdb_file + ".w"
-        if File.exists?(wdb_file)
+        if File.exist?(wdb_file)
           begin
             wdb = RBA::ReportDatabase::new
             wdb.load(wdb_file)