diff --git a/parso/pgen2/pgen.py b/parso/pgen2/pgen.py
index 34f7d6c..8cc52c2 100644
--- a/parso/pgen2/pgen.py
+++ b/parso/pgen2/pgen.py
@@ -13,7 +13,7 @@ from parso import tokenize
 class ParserGenerator(object):
     def __init__(self, bnf_text):
         self._bnf_text = bnf_text
-        self.generator = tokenize.source_tokens(bnf_text, use_exact_op_types=False)
+        self.generator = tokenize.source_tokens(bnf_text, exact_op_types=False)
         self._gettoken()  # Initialize lookahead
         self.dfas, self.startsymbol = self._parse()
         self.first = {}  # map from symbol name to set of tokens
diff --git a/parso/tokenize.py b/parso/tokenize.py
index 96a7c0a..fbba249 100644
--- a/parso/tokenize.py
+++ b/parso/tokenize.py
@@ -204,13 +204,13 @@ class TokenInfo(namedtuple('Token', ['type', 'string', 'start_pos', 'prefix'])):
             return self.start_pos[0], self.start_pos[1] + len(self.string)
 
 
-def source_tokens(source, use_exact_op_types=True):
+def source_tokens(source, exact_op_types=True):
     """Generate tokens from a the source code (string)."""
     lines = splitlines(source, keepends=True)
-    return generate_tokens(lines, use_exact_op_types)
+    return generate_tokens(lines, exact_op_types)
 
 
-def generate_tokens(lines, use_exact_op_types=True):
+def generate_tokens(lines, exact_op_types=True):
     """
     A heavily modified Python standard library tokenizer.
 
@@ -338,7 +338,7 @@ def generate_tokens(lines, use_exact_op_types=True):
                     exact_type = opmap[token]
                 except KeyError:
                     exact_type = typ = ERRORTOKEN
-                if use_exact_op_types:
+                if exact_op_types:
                     typ = exact_type
                 else:
                     typ = OP
@@ -365,5 +365,5 @@ if __name__ == "__main__":
             code = u(f.read())
     else:
         code = u(sys.stdin.read())
-    for token in source_tokens(code, use_exact_op_types=True):
+    for token in source_tokens(code, exact_op_types=True):
         print(token)