1 files changed, 1 insertions, 1 deletions
diff --git a/platform/core-api/src/com/intellij/lexer/DelegateLexer.java b/platform/core-api/src/com/intellij/lexer/DelegateLexer.java
index ce8bbbc18748..102256b60160 100644
--- a/platform/core-api/src/com/intellij/lexer/DelegateLexer.java
+++ b/platform/core-api/src/com/intellij/lexer/DelegateLexer.java
@@ -26,7 +26,7 @@ import org.jetbrains.annotations.Nullable;
 public class DelegateLexer extends LexerBase {
   protected final Lexer myDelegate;
 
-  public DelegateLexer(Lexer delegate) {
+  public DelegateLexer(@NotNull Lexer delegate) {
     myDelegate = delegate;
   }