diff --git a/src/vs/workbench/contrib/notebook/browser/media/notebook.css b/src/vs/workbench/contrib/notebook/browser/media/notebook.css
index 050eec51535..83056c45603 100644
--- a/src/vs/workbench/contrib/notebook/browser/media/notebook.css
+++ b/src/vs/workbench/contrib/notebook/browser/media/notebook.css
@@ -924,7 +924,7 @@
 	height: 16px !important;
 	margin: 5px 4px !important;
 	cursor: none;
-	min-width: 1px;
+	min-width: 1px !important;
 }
 
 .monaco-workbench .notebookOverlay .monaco-list .monaco-list-row .cell-decoration {