diff --git a/packages/commonjs/src/index.js b/packages/commonjs/src/index.js
index dedda0a01..99a92a8d5 100644
--- a/packages/commonjs/src/index.js
+++ b/packages/commonjs/src/index.js
@@ -140,15 +140,15 @@ export default function commonjs(options = {}) {
       !isEsModule && (dynamicRequireModules.has(normalizedId) || strictRequiresFilter(id));
 
     const checkDynamicRequire = (position) => {
-      const normalizedRequireRoot = normalizePathSlashes(dynamicRequireRoot);
+      const normalizedDynamicRequireRoot = normalizePathSlashes(dynamicRequireRoot);
 
-      if (normalizedId.indexOf(normalizedRequireRoot) !== 0) {
+      if (normalizedId.indexOf(normalizedDynamicRequireRoot) !== 0) {
         this.error(
           {
             code: 'DYNAMIC_REQUIRE_OUTSIDE_ROOT',
             normalizedId,
-            dynamicRequireRoot,
-            message: `"${normalizedId}" contains dynamic require statements but it is not within the current dynamicRequireRoot "${normalizedRequireRoot}". You should set dynamicRequireRoot to "${dirname(
+            normalizedDynamicRequireRoot,
+            message: `"${normalizedId}" contains dynamic require statements but it is not within the current dynamicRequireRoot "${normalizedDynamicRequireRoot}". You should set dynamicRequireRoot to "${dirname(
               normalizedId
             )}" or one of its parent directories.`
           },
diff --git a/packages/commonjs/test/test.js b/packages/commonjs/test/test.js
index 948151c0e..fc8d4934c 100644
--- a/packages/commonjs/test/test.js
+++ b/packages/commonjs/test/test.js
@@ -733,8 +733,8 @@ test('throws when there is a dynamic require from outside dynamicRequireRoot', a
   t.like(error, {
     message: `"${id}" contains dynamic require statements but it is not within the current dynamicRequireRoot "${dynamicRequireRoot}". You should set dynamicRequireRoot to "${minimalDynamicRequireRoot}" or one of its parent directories.`,
     pluginCode: 'DYNAMIC_REQUIRE_OUTSIDE_ROOT',
-    id,
-    dynamicRequireRoot
+    normalizedId: id,
+    normalizedDynamicRequireRoot: dynamicRequireRoot
   });
 });