diff --git a/packages/frontend/editor-ui/src/components/CodeNodeEditor/theme.ts b/packages/frontend/editor-ui/src/components/CodeNodeEditor/theme.ts
index a5849b299d..8b4a47badb 100644
--- a/packages/frontend/editor-ui/src/components/CodeNodeEditor/theme.ts
+++ b/packages/frontend/editor-ui/src/components/CodeNodeEditor/theme.ts
@@ -196,6 +196,10 @@ export const codeEditorTheme = ({ isReadOnly, minHeight, maxHeight, rows }: Them
 			backgroundColor: 'var(--color-background-base)',
 			border: 'var(--border-base)',
 		},
+		'.cm-lintRange-error': {
+			backgroundImage:
+				"url(\"data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='6' height='3'%3e%3cpath d='m0 2.5 l2 -1.5 l1 0 l2 1.5 l1 0' stroke='%23F56565' fill='none' stroke-width='.7'/%3e%3c/svg%3e\") !important", // #F56565 is --color-text-danger
+		},
 		'.cm-selectionMatch': {
 			background: 'var(--color-code-selection-highlight)',
 		},