diff --git a/cfg.mk b/cfg.mk
index 5d3813781f..7664d5deb4 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -801,7 +801,7 @@ exclude_file_name_regexp--sc_prohibit_raw_allocation = \
   ^(src/util/memory\.[ch]|examples/.*)$$
 
 exclude_file_name_regexp--sc_prohibit_readlink = \
-  ^(src/(util/util|lxc/lxc_container)\.c$$
+  ^src/(util/util|lxc/lxc_container)\.c$$
 
 exclude_file_name_regexp--sc_prohibit_setuid = ^src/util/util\.c$$