diff --git a/images/src/org/intellij/images/index/ImageInfoIndex.java b/images/src/org/intellij/images/index/ImageInfoIndex.java
index b3e9e3ebcef1..cfb3fb528abf 100644
--- a/images/src/org/intellij/images/index/ImageInfoIndex.java
+++ b/images/src/org/intellij/images/index/ImageInfoIndex.java
@@ -74,7 +74,7 @@ public class ImageInfoIndex extends SingleEntryFileBasedIndexExtension<ImageInfo
   }
 
   public static void processValues(VirtualFile virtualFile, FileBasedIndex.ValueProcessor<ImageInfo> processor, Project project) {
-    FileBasedIndex.getInstance().processValues(INDEX_ID, SingleEntryFileBasedIndexExtension.getFileKey(virtualFile), virtualFile, processor, GlobalSearchScope
+    FileBasedIndex.getInstance().processValues(INDEX_ID, getFileKey(virtualFile), virtualFile, processor, GlobalSearchScope
         .fileScope(project, virtualFile));
   }
 
diff --git a/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryFileBasedIndexExtension.java b/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryFileBasedIndexExtension.java
index a0276fa32553..5302358ef658 100644
--- a/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryFileBasedIndexExtension.java
+++ b/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryFileBasedIndexExtension.java
@@ -47,6 +47,7 @@ public abstract class SingleEntryFileBasedIndexExtension<V> extends FileBasedInd
     return true;
   }
 
+  /** Use this method to get key for extracting the value from index */
   public static int getFileKey(@NotNull VirtualFile file) {
     return Math.abs(FileBasedIndex.getFileId(file));
   }