1 files changed, 1 insertions, 1 deletions
diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/projectlevelman/MappingsToRoots.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/projectlevelman/MappingsToRoots.java
index 677c26e6d9f1..1be3cbf0cda3 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/projectlevelman/MappingsToRoots.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/impl/projectlevelman/MappingsToRoots.java
@@ -42,7 +42,7 @@ public class MappingsToRoots {
   }
 
   @NotNull
-  public VirtualFile[] getRootsUnderVcs(final AbstractVcs vcs) {
+  public VirtualFile[] getRootsUnderVcs(@NotNull AbstractVcs vcs) {
     List<VirtualFile> result = myMappings.getMappingsAsFilesUnderVcs(vcs);
 
     final AbstractVcs.RootsConvertor convertor = vcs.getCustomConvertor();