diff --git a/after/syntax/css/overflow-3.vim b/after/syntax/css/overflow-3.vim
index fb906bb..d0ead52 100644
--- a/after/syntax/css/overflow-3.vim
+++ b/after/syntax/css/overflow-3.vim
@@ -1,5 +1,6 @@
 syn keyword cssFontProp contained continue
 syn match cssFontProp contained "\<overflow-\(clip-margin\|block\|inline\)\>"
+syn match cssFontProp contained "\<scrollbar-gutter\>"
 syn match cssFontProp contained "\<block-ellipsis\>"
 syn match cssFontProp contained "\<line-clamp\>"
 syn match cssFontProp contained "\<max-lines\>"
diff --git a/after/syntax/css/overflow-4.vim b/after/syntax/css/overflow-4.vim
index 59645fc..1c78b5c 100644
--- a/after/syntax/css/overflow-4.vim
+++ b/after/syntax/css/overflow-4.vim
@@ -1,3 +1,2 @@
-syn match cssFontProp contained "\<scrollbar-gutter\>"
 syn keyword cssFontAttr contained stable force overflow paginate fragments
 syn region cssPseudoClassLang matchgroup=cssPseudoClassId start=":\(nth-fragment\)(" end=")" oneline
diff --git a/test/test.css b/test/test.css
index 94b0c05..7f546e1 100644
--- a/test/test.css
+++ b/test/test.css
@@ -629,6 +629,7 @@ mask {
 	overflow-clip-margin: auto;
 	overflow-block: auto;
 	overflow-inline: auto;
+	scrollbar-gutter: auto;
 	block-ellipsis: auto;
 	line-clamp: auto;
 	max-lines: auto;
@@ -636,7 +637,6 @@ mask {
 }
 
 .overflow-4::nth-fragment(1) {
-	scrollbar-gutter: auto;
 	display: stable;
 	display: force;
 	display: overflow;