diff --git a/Userland/Libraries/LibWeb/CSS/Properties.json b/Userland/Libraries/LibWeb/CSS/Properties.json
index d3e18ba3c8..f327afd61b 100644
--- a/Userland/Libraries/LibWeb/CSS/Properties.json
+++ b/Userland/Libraries/LibWeb/CSS/Properties.json
@@ -528,6 +528,7 @@
     "valid-identifiers": [
       "block",
       "flex",
+      "grid",
       "inline",
       "inline-block",
       "inline-flex",
diff --git a/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp b/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
index a0832a9a42..9a0059aef9 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
@@ -530,6 +530,8 @@ CSS::Display StyleProperties::display() const
         return CSS::Display::from_short(CSS::Display::Short::Flex);
     case CSS::ValueID::InlineFlex:
         return CSS::Display::from_short(CSS::Display::Short::InlineFlex);
+    case CSS::ValueID::Grid:
+        return CSS::Display::from_short(CSS::Display::Short::Grid);
     default:
         return CSS::Display::from_short(CSS::Display::Short::Block);
     }