diff --git a/.changeset/moody-shirts-smash.md b/.changeset/moody-shirts-smash.md
new file mode 100644
index 00000000..28f1c64c
--- /dev/null
+++ b/.changeset/moody-shirts-smash.md
@@ -0,0 +1,5 @@
+---
+'wmr': patch
+---
+
+Corrects worker regex pattern to avoid false positives
diff --git a/packages/wmr/src/plugins/worker-plugin.js b/packages/wmr/src/plugins/worker-plugin.js
index c3748c8b..dfcd921f 100644
--- a/packages/wmr/src/plugins/worker-plugin.js
+++ b/packages/wmr/src/plugins/worker-plugin.js
@@ -85,7 +85,8 @@ export function workerPlugin(options) {
 			}
 			// Check if a worker is referenced anywhere in the file
 			else if (/\.(?:[tj]sx?|mjs|cjs)$/.test(id)) {
-				const WORKER_REG = /new URL\(\s*['"]([\w.-/:~]+)['"],\s*import\.meta\.url\s*\)(,\s*{.*?["']module["'].*?})?/gm;
+				const WORKER_REG =
+					/new URL\(\s*['"]([\w.-/:~]+\.worker[\w.-/:~]+)['"],\s*import\.meta\.url\s*\)(,\s*{.*?["']module["'].*?})?/gm;
 
 				if (WORKER_REG.test(code)) {
 					const s = new MagicString(code, {