diff --git a/src/class-names/extractClassNames.js b/src/class-names/extractClassNames.js
index 4c2cb388c0c4f0028b849b56a2b488edc3b1ed9a..2aa426b22ab4a62489155861c15d87c5a0f3ce69 100644
--- a/src/class-names/extractClassNames.js
+++ b/src/class-names/extractClassNames.js
@@ -36,7 +36,7 @@         classNames.push({
           className: node.value.trim(),
           scope: createSelectorFromNodes(scope),
           __rule: j === subSelectors[i].nodes.length - 1,
-          __pseudo: pseudo.map(String),
+          __pseudo: pseudo.length === 0 ? null : pseudo.map(String),
         })
       }
       scope.push(node, ...pseudo)
@@ -115,7 +115,9 @@           dset(tree, [...baseKeys, ...index, '__source'], group.source)
 
           dsetEach(tree, [...baseKeys, ...index], decls)
         }
-        dset(tree, [...baseKeys, ...index, '__pseudo'], classNames[i].__pseudo)
+        if (classNames[i].__pseudo) {
+          dset(tree, [...baseKeys, '__pseudo'], classNames[i].__pseudo)
+        }
         dset(tree, [...baseKeys, ...index, '__scope'], classNames[i].scope)
         dset(
           tree,
@@ -124,7 +126,9 @@           context.concat([]).reverse()
         )
 
         // common context
-        context.push(...classNames[i].__pseudo)
+        if (classNames[i].__pseudo) {
+          context.push(...classNames[i].__pseudo)
+        }
 
         for (let i = 0; i < contextKeys.length; i++) {
           if (typeof commonContext[contextKeys[i]] === 'undefined') {
diff --git a/src/lsp/providers/completionProvider.ts b/src/lsp/providers/completionProvider.ts
index 8f47ca6a5ff2c7a6dda52817da2eafd830386ee1..eae7546bffc68d70c05ef1ebbdd0353fac33a42d 100644
--- a/src/lsp/providers/completionProvider.ts
+++ b/src/lsp/providers/completionProvider.ts
@@ -200,8 +200,8 @@       let info = dlv(state.classNames.classNames, item.data)
       return (
         !Array.isArray(info) &&
         info.__source === 'utilities' &&
-        info.__context.length === 0 &&
-        info.__pseudo.length === 0
+        (info.__context || []).length === 0 &&
+        (info.__pseudo || []).length === 0
       )
     }
   )
diff --git a/src/lsp/util/stringify.ts b/src/lsp/util/stringify.ts
index 6490c34ceedb7197472864d4faea2539917ce792..976f8b911f72fcc6dcf02d223f4c14bb6ec933a3 100644
--- a/src/lsp/util/stringify.ts
+++ b/src/lsp/util/stringify.ts
@@ -54,7 +54,7 @@   return css
 }
 
 function augmentClassName(className: string, obj: any): string {
-  const pseudo = obj.__pseudo.join('')
+  const pseudo = obj.__pseudo ? obj.__pseudo.join('') : ''
   const scope = obj.__scope ? `${obj.__scope} ` : ''
   return `${scope}.${escapeClassName(className)}${pseudo}`
 }