diff --git a/java/compiler/openapi/src/com/intellij/openapi/compiler/CompileContext.java b/java/compiler/openapi/src/com/intellij/openapi/compiler/CompileContext.java
index 8bfa1c073b2a..0f930633ab0d 100644
--- a/java/compiler/openapi/src/com/intellij/openapi/compiler/CompileContext.java
+++ b/java/compiler/openapi/src/com/intellij/openapi/compiler/CompileContext.java
@@ -21,6 +21,7 @@ import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.UserDataHolder;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.pom.Navigatable;
+import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 /**
@@ -75,6 +76,7 @@ public interface CompileContext extends UserDataHolder {
    *
    * @return the progress indicator instance.
    */
+  @NotNull
   ProgressIndicator getProgressIndicator();
 
   /**