diff --git a/rc/base/css.kak b/rc/base/css.kak
index 2fbb17c5..ad1dff5d 100644
--- a/rc/base/css.kak
+++ b/rc/base/css.kak
@@ -70,6 +70,7 @@ hook global WinSetOption filetype=css %[
     hook window ModeChange insert:.* -group css-hooks  css-filter-around-selections
     hook window InsertChar \n -group css-indent css-indent-on-new-line
     hook window InsertChar \} -group css-indent css-indent-on-closing-curly-brace
+    set-option buffer extra_word_chars '-'
 ]
 
 hook -group css-highlight global WinSetOption filetype=(?!css).* %{ remove-highlighter window/css }
diff --git a/rc/extra/sass.kak b/rc/extra/sass.kak
index 2c378957..50edc0a6 100644
--- a/rc/extra/sass.kak
+++ b/rc/extra/sass.kak
@@ -55,6 +55,7 @@ hook -group sass-highlight global WinSetOption filetype=sass %{ add-highlighter
 hook global WinSetOption filetype=sass %{
     hook window ModeChange insert:.* -group sass-hooks  sass-filter-around-selections
     hook window InsertChar \n -group sass-indent sass-indent-on-new-line
+    set-option buffer extra_word_chars '-'
 }
 
 hook -group sass-highlight global WinSetOption filetype=(?!sass).* %{ remove-highlighter window/sass }
diff --git a/rc/extra/scss.kak b/rc/extra/scss.kak
index 27ede674..15c3ff84 100644
--- a/rc/extra/scss.kak
+++ b/rc/extra/scss.kak
@@ -38,6 +38,7 @@ hook global WinSetOption filetype=scss %[
     hook window ModeChange insert:.* -group scss-hooks  scss-filter-around-selections
     hook window InsertChar \n -group scss-indent scss-indent-on-new-line
     hook window InsertChar \} -group scss-indent scss-indent-on-closing-curly-brace
+    set-option buffer extra_word_chars '-'
 ]
 
 hook -group scss-highlight global WinSetOption filetype=(?!scss).* %{ remove-highlighter window/scss }