diff --git a/parser/__init__.py b/parser/__init__.py
index 171caf8..59a2587 100644
--- a/parser/__init__.py
+++ b/parser/__init__.py
@@ -6,6 +6,6 @@ import parserules
 
 def parse(input):
     lexer = lex.lex(module = lexrules)
-    parser = yacc.yacc(module = parserules)
+    parser = yacc.yacc(module = parserules, outputdir = 'parser')
     result = parser.parse(input)
     return result