diff --git a/packages/PostRector/Collector/UseNodesToAddCollector.php b/packages/PostRector/Collector/UseNodesToAddCollector.php
index 2f356492a54..55cd579ebbb 100644
--- a/packages/PostRector/Collector/UseNodesToAddCollector.php
+++ b/packages/PostRector/Collector/UseNodesToAddCollector.php
@@ -103,7 +103,7 @@ public function isShortImported(File $file, FullyQualifiedObjectType $fullyQuali
 
         $fileFunctionUseImportTypes = $this->functionUseImportTypesInFilePath[$filePath] ?? [];
         foreach ($fileFunctionUseImportTypes as $fileFunctionUseImportType) {
-            if ($fileFunctionUseImportType->getShortName() === $fullyQualifiedObjectType->getShortName()) {
+            if ($fileFunctionUseImportType->getShortName() === $shortName) {
                 return true;
             }
         }
diff --git a/rules/CodingStyle/ClassNameImport/ClassNameImportSkipVoter/ClassLikeNameClassNameImportSkipVoter.php b/rules/CodingStyle/ClassNameImport/ClassNameImportSkipVoter/ClassLikeNameClassNameImportSkipVoter.php
index ff215d96144..ab35fe544d1 100644
--- a/rules/CodingStyle/ClassNameImport/ClassNameImportSkipVoter/ClassLikeNameClassNameImportSkipVoter.php
+++ b/rules/CodingStyle/ClassNameImport/ClassNameImportSkipVoter/ClassLikeNameClassNameImportSkipVoter.php
@@ -29,9 +29,13 @@ public function __construct(
     public function shouldSkip(File $file, FullyQualifiedObjectType $fullyQualifiedObjectType, Node $node): bool
     {
         $classLikeNames = $this->shortNameResolver->resolveShortClassLikeNamesForNode($node);
+        if ($classLikeNames === []) {
+            return false;
+        }
 
+        $shortNameLowered = $fullyQualifiedObjectType->getShortNameLowered();
         foreach ($classLikeNames as $classLikeName) {
-            if (strtolower($classLikeName) === $fullyQualifiedObjectType->getShortNameLowered()) {
+            if (strtolower($classLikeName) === $shortNameLowered) {
                 return true;
             }
         }