diff --git a/src/kakrc b/src/kakrc
index 6932fa13..a8e9a766 100644
--- a/src/kakrc
+++ b/src/kakrc
@@ -1,3 +1,3 @@
 hook WinCreate .*\.(c|cc|cpp|cxx|C|h|hh|hpp|hxx|H) addhl hlcpp
 hook BufCreate .*\.(c|cc|cpp|cxx|C|h|hh|hpp|hxx|H) addfilter preserve_indent
-hook WinCreate .* addhl regex \h+\n default red
+hook WinCreate .* addhl regex \h+(?=\n) default red