diff --git a/packages/core/src/js/sdk.tsx b/packages/core/src/js/sdk.tsx
index 0d37fb215..99cf43980 100644
--- a/packages/core/src/js/sdk.tsx
+++ b/packages/core/src/js/sdk.tsx
@@ -67,8 +67,15 @@ export function init(passedOptions: ReactNativeOptions): void {
       return undefined;
     }
     try {
-      const url = new URL(dsn);
-      return `${url.protocol}//${url.host}`;
+      const regex = /^(https?):\/\/(?:[^@]+@)?([^/]+)(?:\/.*)?$/;
+      const matches = dsn.match(regex);
+
+      if (matches) {
+        const [, protocol, host] = matches;
+        return `${protocol}://${host}`;
+      }
+      logger.error('Failed to extract url from DSN: ', dsn);
+      return undefined;
     } catch (e) {
       logger.error('Failed to extract url from DSN', e);
       return undefined;
diff --git a/packages/core/test/sdk.test.ts b/packages/core/test/sdk.test.ts
index 931d7fd6d..783f63131 100644
--- a/packages/core/test/sdk.test.ts
+++ b/packages/core/test/sdk.test.ts
@@ -345,21 +345,15 @@ describe('Tests the SDK functionality', () => {
       expect(result).toBeNull();
     });
 
-    it('should keep breadcrumbs matching dsn if the url parsing fails for dsn', () => {
+    it('should keep breadcrumbs if the url parsing fails for dsn', () => {
       (getDevServer as jest.Mock).mockReturnValue({ url: 'http://localhost:8081' });
 
       const mockBeforeBreadcrumb = (breadcrumb: Breadcrumb, _hint?: BreadcrumbHint) => {
         return breadcrumb;
       };
 
-      // Mock the URL constructor to throw an exception for this test case
-      const originalURL = (global as any).URL;
-      jest.spyOn(global as any, 'URL').mockImplementationOnce(() => {
-        throw new Error('Failed to parse DSN URL');
-      });
-
       const passedOptions = {
-        dsn: 'https://abc@def.ingest.sentry.io/1234567',
+        dsn: 'invalid-dsn',
         beforeBreadcrumb: mockBeforeBreadcrumb,
       };
 
@@ -373,9 +367,6 @@ describe('Tests the SDK functionality', () => {
       const result = usedOptions()?.beforeBreadcrumb!(breadcrumb);
 
       expect(result).toEqual(breadcrumb);
-
-      // Restore the original URL constructor
-      (global as any).URL = originalURL;
     });
 
     it('should keep non dev server or dsn breadcrumbs', () => {