diff --git a/after/syntax/css/shapes-1.vim b/after/syntax/css/shapes-1.vim
index 11e74e3..faa9f27 100644
--- a/after/syntax/css/shapes-1.vim
+++ b/after/syntax/css/shapes-1.vim
@@ -1,3 +1,3 @@
 syn keyword cssFontProp contained shape-outside shape-image-threshold shape-margin
 syn keyword cssFontAttr contained margin-box
-syn region cssFunction contained matchgroup=cssFunctionName start="\<\(inset\|circle\|ellipse\|polygon\)\s*(" end=")" oneline keepend
+syn region cssFunction contained matchgroup=cssFunctionName start="\<\(inset\|circle\|ellipse\|polygon\|shape\)\s*(" end=")" oneline keepend
diff --git a/test/test.css b/test/test.css
index 02a8b14..8bb2858 100644
--- a/test/test.css
+++ b/test/test.css
@@ -1099,6 +1099,7 @@ mask {
   display: circle(100px 50px 100px);
   display: ellipse(0 0 250px 100px);
   display: polygon(0 0, 100% 100%, 0 100%);
+  display: shape(from 0% 0%, hline to 100%, line to 0% 100%, vline to 0%);
 }
 
 .sizing-3 {