diff --git a/hwdb.d/ids_parser.py b/hwdb.d/ids_parser.py
index 7efd934f46..d517f6b909 100755
--- a/hwdb.d/ids_parser.py
+++ b/hwdb.d/ids_parser.py
@@ -31,11 +31,14 @@ NUM6 = Word('0123456789abcdefABCDEF', exact=6)
 TAB = White('\t', exact=1).suppress()
 COMMENTLINE = pythonStyleComment + EOL
 EMPTYLINE = LineEnd()
-text_eol = lambda name: Regex(r'[^\n]+')(name) + EOL
 
 ParserElement.setDefaultWhitespaceChars(' \n')
 
 
+def text_eol(name):
+    return Regex(r'[^\n]+')(name) + EOL
+
+
 def klass_grammar():
     # fmt: off
     klass_line = Literal('C ').suppress() + NUM2('klass') + text_eol('text')