diff --git a/notebooks/notebook-ui/src/org/jetbrains/plugins/notebooks/ui/visualization/NotebookBelowCellDelimiterPanel.kt b/notebooks/notebook-ui/src/org/jetbrains/plugins/notebooks/ui/visualization/NotebookBelowCellDelimiterPanel.kt
index aa818ad57d58..56dc50f4b679 100644
--- a/notebooks/notebook-ui/src/org/jetbrains/plugins/notebooks/ui/visualization/NotebookBelowCellDelimiterPanel.kt
+++ b/notebooks/notebook-ui/src/org/jetbrains/plugins/notebooks/ui/visualization/NotebookBelowCellDelimiterPanel.kt
@@ -16,7 +16,7 @@ class NotebookBelowCellDelimiterPanel(
   val editor: EditorImpl,
   @Nls private val tooltipText: String?,
   private val executionCount: Int?,
-  private val statusIcon: Icon,
+  private val statusIcon: Icon?,
   private val isExecutable: Boolean
 ) : JPanel(BorderLayout()) {
   private val notebookAppearance = editor.notebookAppearance