--- a/yml2proc	Thu Oct 27 12:51:47 2016 +0200
+++ b/yml2proc	Tue Mar 17 10:26:38 2020 +0100
@@ -21,6 +21,8 @@
 from yml2.pyPEG import parse, u
 import yml2.backend as backend
 
+YML_DEFAULT_PATH = [os.path.dirname(backend.__file__)]
+
 def printInfo(option, opt_str, value, parser):
     sys.stdout.write(__doc__)
     sys.exit(0)
@@ -89,7 +91,7 @@
 
 backend.encoding = options.encoding
 
-dirs = os.environ.get('YML_PATH', '.').split(':')
+dirs = os.environ.get('YML_PATH', '.').split(':') + YML_DEFAULT_PATH
 backend.includePath.extend(dirs)
 
 if options.xml2yml: