diff --git a/utils/lint.mk b/utils/lint.mk
index d71e6318d..b00cbb19e 100644
--- a/utils/lint.mk
+++ b/utils/lint.mk
@@ -101,6 +101,7 @@ endef
 # CSS files. {{{
 
 define CSS_FILES
+cr3gui/data/dict.css
 cr3gui/data/epub.css
 cr3gui/data/html5.css
 cr3gui/data/fb2.css