diff --git a/Makefile.am b/Makefile.am
index 67c1c218..bc3bc6c8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -52,17 +52,17 @@ cc10:
 	| grep -v tests						\
 	| sort -nr | awk '($$1 > 10)'
 
-# this warns about functions that are over 33 non-comment lines long, which is a
+# this warns about functions that are over 35 non-comment lines long, which is a
 # sign that they need some refactoring. requires the pmccabe tool. if
 # all is fine, it outputs nothing
 # note, some functions are  exempted from this rule.
-line33:
+line35:
 	@$(PMCCABE) -c `find -name '*.c' -o -name '*.cc'`	\
 	 | grep -v mu-str-normalize.c				\
 	 | grep -v config_options_group_find			\
 	 | grep -v SCM_DEFINE_PUBLIC				\
 	 | grep -v tests					\
-         | awk '($$5 > 33)'
+         | awk '($$5 > 35)'
 
 # get all todo/fixme messages
 fixme: