diff --git a/Evergreen/MainWindow/ContextualMenus/MainWindowController+ContextualMenus.swift b/Evergreen/MainWindow/ContextualMenus/MainWindowController+ContextualMenus.swift
index 6230bee6e..feab2b0ed 100644
--- a/Evergreen/MainWindow/ContextualMenus/MainWindowController+ContextualMenus.swift
+++ b/Evergreen/MainWindow/ContextualMenus/MainWindowController+ContextualMenus.swift
@@ -80,7 +80,7 @@ extension MainWindowController {
 			self.renameWindowController = nil
 		}
 
-		renameWindowController!.runSheetOnWindow(window)
+		renameWindowController?.runSheetOnWindow(window)
 	}
 }