diff --git a/Tools/faqwiz/faqwiz.py b/Tools/faqwiz/faqwiz.py
index 318b642..49af1a8 100644
--- a/Tools/faqwiz/faqwiz.py
+++ b/Tools/faqwiz/faqwiz.py
@@ -105,7 +105,7 @@
 def revparse(rev):
     global revparse_prog
     if not revparse_prog:
-        revparse_prog = re.compile(r'^(\d{1,3})\.(\d{1-4})$')
+        revparse_prog = re.compile(r'^(\d{1,3})\.(\d{1,4})$')
     m = revparse_prog.match(rev)
     if not m:
         return None