diff --git a/yaml.nanorc b/yaml.nanorc
index f202cd8..de89e76 100644
--- a/yaml.nanorc
+++ b/yaml.nanorc
@@ -15,7 +15,7 @@ color yellow "(^| )!!(binary|bool|float|int|map|null|omap|seq|set|str) "
 
 # Separator
 color brightwhite "^\s+-"
-color brightwhite ":(\s|\t|$)"
+color brightwhite ":(\s|$)"
 
 # Comments
 color brightblue "(^|[[:space:]])#.*$"