diff --git a/platform/editor-ui-api/src/com/intellij/openapi/editor/GutterMarkPreprocessor.java b/platform/editor-ui-api/src/com/intellij/openapi/editor/GutterMarkPreprocessor.java
index 9912400f5dd6..8a93eceed3f5 100644
--- a/platform/editor-ui-api/src/com/intellij/openapi/editor/GutterMarkPreprocessor.java
+++ b/platform/editor-ui-api/src/com/intellij/openapi/editor/GutterMarkPreprocessor.java
@@ -17,7 +17,7 @@ package com.intellij.openapi.editor;
 
 import com.intellij.codeInsight.daemon.GutterMark;
 import com.intellij.openapi.extensions.ExtensionPointName;
-import com.sun.istack.internal.NotNull;
+import org.jetbrains.annotations.NotNull;
 
 import java.util.List;