diff --git a/packages/tailwindcss-language-server/src/providers/hoverProvider.ts b/packages/tailwindcss-language-server/src/providers/hoverProvider.ts
index 6ee4925a0660ed4c08dfc1546f369c247c178746..6f009a4e1dc9a9288dce060554ef88908eb86857 100644
--- a/packages/tailwindcss-language-server/src/providers/hoverProvider.ts
+++ b/packages/tailwindcss-language-server/src/providers/hoverProvider.ts
@@ -94,7 +94,7 @@   state: State,
   { className, range }: DocumentClassName
 ): Hover {
   const parts = getClassNameParts(state, className)
-  if (!parts) return null
+  if (parts === null) return null
 
   return {
     contents: {