diff --git a/packages/base/src/features/OpenUI5Support.ts b/packages/base/src/features/OpenUI5Support.ts
index e41cf97868d7..395ed722bfbb 100644
--- a/packages/base/src/features/OpenUI5Support.ts
+++ b/packages/base/src/features/OpenUI5Support.ts
@@ -214,7 +214,7 @@ class OpenUI5Support {
 			return false;
 		}
 
-		return !!link.href.match(/\/css(-|_)variables\.css/);
+		return !!link.href.match(/\/css(-|_)variables\.css/) || !!link.href.match(/\/library\.css/);
 	}
 
 	static getNextZIndex() {