diff --git a/oxlint/custom.js b/oxlint/custom.js
index 9f549e5c58..2e888c14a8 100644
--- a/oxlint/custom.js
+++ b/oxlint/custom.js
@@ -1,7 +1,7 @@
 // @ts-check
-import { eslintCompatPlugin } from '@oxlint/plugins';
+import { definePlugin } from '@oxlint/plugins';
 
-const plugin = eslintCompatPlugin({
+export default definePlugin({
 	meta: {
 		name: 'custom'
 	},
@@ -11,24 +11,32 @@ const plugin = eslintCompatPlugin({
 		// ensures that TypeScript does not pick up more ambient types
 		// (for example from Node) that shouldn't be available in the browser.
 		'no-compiler-imports': {
-			create(context) {
+			createOnce(context) {
 				return {
-					Program: () => {
+					before() {
 						// Skip files in the compiler directory - this rule is only for runtime code
-						const filename = context.filename || context.getFilename?.();
-						if (filename && filename.includes('/src/compiler/')) {
-							return;
+						if (context.filename.includes('/src/compiler/')) {
+							return false;
 						}
-
-						// Do a simple string search because ESLint doesn't provide a way to check JSDoc comments.
+					},
+					Program: () => {
+						// Do a simple string search because Oxlint doesn't provide a way to check JSDoc comments.
 						// The string search could in theory yield false positives, but in practice it's unlikely.
 						const text = context.sourceCode.getText();
-						const idx = Math.max(text.indexOf('../compiler/'), text.indexOf('#compiler'));
-						if (idx !== -1) {
+
+						const match = /(?:(\.\.\/)(compiler)\/|(#compiler))/.exec(text);
+
+						if (match) {
+							const offset = match[1]?.length ?? 0;
+							const length = (match[2] || match[3]).length;
+
+							const start = match.index + offset;
+							const end = start + length;
+
 							context.report({
 								loc: {
-									start: context.sourceCode.getLocFromIndex(idx),
-									end: context.sourceCode.getLocFromIndex(idx + 12)
+									start: context.sourceCode.getLocFromIndex(start),
+									end: context.sourceCode.getLocFromIndex(end)
 								},
 								message:
 									'References to compiler code are forbidden in runtime code (both for type and value imports)'
@@ -40,5 +48,3 @@ const plugin = eslintCompatPlugin({
 		}
 	}
 });
-
-export default plugin;