diff --git a/java/openapi/src/com/intellij/psi/search/scope/packageSet/PatternPackageSet.java b/java/openapi/src/com/intellij/psi/search/scope/packageSet/PatternPackageSet.java
index 78040a3bea3a..9dc06dc6eb89 100644
--- a/java/openapi/src/com/intellij/psi/search/scope/packageSet/PatternPackageSet.java
+++ b/java/openapi/src/com/intellij/psi/search/scope/packageSet/PatternPackageSet.java
@@ -102,7 +102,7 @@ public class PatternPackageSet extends PatternBasedPackageSet {
   }
 
   private static String getPackageName(VirtualFile file, ProjectFileIndex fileIndex) {
-    return StringUtil.getQualifiedName(fileIndex.getPackageNameByDirectory(file.getParent()), file.getNameWithoutExtension());
+    return StringUtil.getQualifiedName(fileIndex.getPackageNameByDirectory(file.isDirectory() ? file :  file.getParent()), file.getNameWithoutExtension());
   }
 
   public PackageSet createCopy() {