diff --git a/extensions/theme-2026/themes/styles.css b/extensions/theme-2026/themes/styles.css
index c73af25ed57..8276fdaa961 100644
--- a/extensions/theme-2026/themes/styles.css
+++ b/extensions/theme-2026/themes/styles.css
@@ -611,10 +611,6 @@
 	box-shadow: var(--shadow-sm);
 }
 
-.notebookOverlay .cell-bottom-toolbar-container .action-item {
-	border-radius: var(--radius-sm);
-}
-
 /* Inline Chat */
 .monaco-workbench .monaco-editor .inline-chat {
 	box-shadow: var(--shadow-lg);
diff --git a/src/vs/workbench/contrib/notebook/browser/media/notebook.css b/src/vs/workbench/contrib/notebook/browser/media/notebook.css
index aaf4aada0c3..11994166b6e 100644
--- a/src/vs/workbench/contrib/notebook/browser/media/notebook.css
+++ b/src/vs/workbench/contrib/notebook/browser/media/notebook.css
@@ -376,6 +376,11 @@
 .notebookOverlay .cell-drag-image .cell-editor-container > div {
 	background: var(--vscode-editor-background) !important;
 }
+
+.notebookOverlay .cell-bottom-toolbar-container .action-item {
+	border-radius: var(--vscode-cornerRadius-small);
+}
+
 .notebookOverlay .monaco-list-row .cell-title-toolbar,
 .notebookOverlay .monaco-list-row.cell-drag-image,
 .notebookOverlay .cell-bottom-toolbar-container .action-item,