diff --git a/packages/react/plugins/nx-react-webpack-plugin/lib/apply-react-config.ts b/packages/react/plugins/nx-react-webpack-plugin/lib/apply-react-config.ts
index 6527ac60c83d8..c12bb1507e717 100644
--- a/packages/react/plugins/nx-react-webpack-plugin/lib/apply-react-config.ts
+++ b/packages/react/plugins/nx-react-webpack-plugin/lib/apply-react-config.ts
@@ -101,7 +101,10 @@ function removeSvgLoaderIfPresent(
   config: Partial<WebpackOptionsNormalized | Configuration>
 ) {
   const svgLoaderIdx = config.module.rules.findIndex(
-    (rule) => typeof rule === 'object' && rule.test.toString().includes('svg')
+    (rule) =>
+      typeof rule === 'object' &&
+      typeof rule.test !== 'undefined' &&
+      rule.test.toString().includes('svg')
   );
   if (svgLoaderIdx === -1) return;
   config.module.rules.splice(svgLoaderIdx, 1);
diff --git a/packages/rspack/src/plugins/utils/apply-react-config.ts b/packages/rspack/src/plugins/utils/apply-react-config.ts
index acd6edc4024ac..4d116cedc4de7 100644
--- a/packages/rspack/src/plugins/utils/apply-react-config.ts
+++ b/packages/rspack/src/plugins/utils/apply-react-config.ts
@@ -47,7 +47,7 @@ function removeSvgLoaderIfPresent(
   config: Partial<RspackOptionsNormalized | Configuration>
 ) {
   const svgLoaderIdx = config.module.rules.findIndex(
-    (rule) => typeof rule === 'object' && rule.test.toString().includes('svg')
+    (rule) => typeof rule === 'object' && rule.test?.toString().includes('svg')
   );
   if (svgLoaderIdx === -1) return;
   config.module.rules.splice(svgLoaderIdx, 1);