diff --git a/src/runtime/stores/formatters.ts b/src/runtime/stores/formatters.ts
index d580527..55957f2 100644
--- a/src/runtime/stores/formatters.ts
+++ b/src/runtime/stores/formatters.ts
@@ -67,7 +67,15 @@ const formatMessage: MessageFormatter = (id, options = {}) => {
     return message;
   }
 
-  return getMessageFormatter(message, locale).format(values) as string;
+  let result = message;
+
+  try {
+    result = getMessageFormatter(message, locale).format(values) as string;
+  } catch (e) {
+    console.warn(`[svelte-i18n] Message "${id}" has syntax error:`, e.message);
+  }
+
+  return result;
 };
 
 const formatTime: TimeFormatter = (t, options) => {
@@ -82,7 +90,10 @@ const formatNumber: NumberFormatter = (n, options) => {
   return getNumberFormatter(options).format(n);
 };
 
-const getJSON: JSONGetter = <T = any>(id: string, locale = getCurrentLocale()) => {
+const getJSON: JSONGetter = <T = any>(
+  id: string,
+  locale = getCurrentLocale(),
+) => {
   return lookup(id, locale) as T;
 };
 
diff --git a/test/fixtures/en.json b/test/fixtures/en.json
index 62186de..c42357f 100644
--- a/test/fixtures/en.json
+++ b/test/fixtures/en.json
@@ -5,5 +5,6 @@
   },
   "photos": "You have {n, plural, =0 {no photos.} =1 {one photo.} other {# photos.}}",
   "title": "Page title",
-  "sneakers": "sneakers"
+  "sneakers": "sneakers",
+  "with-syntax-error": "Hello {{name}}!"
 }
diff --git a/test/runtime/stores/formatters.test.ts b/test/runtime/stores/formatters.test.ts
index d21adb9..7dfbfb2 100644
--- a/test/runtime/stores/formatters.test.ts
+++ b/test/runtime/stores/formatters.test.ts
@@ -106,30 +106,43 @@ describe('format message', () => {
   });
 
   it('errors out when value found is not string', () => {
-    const { warn } = global.console;
-
-    jest.spyOn(global.console, 'warn').mockImplementation();
+    const spy = jest.spyOn(global.console, 'warn').mockImplementation();
 
     expect(typeof formatMessage('form')).toBe('object');
-    expect(console.warn).toBeCalledWith(
+    expect(spy).toBeCalledWith(
       `[svelte-i18n] Message with id "form" must be of type "string", found: "object". Gettin its value through the "$format" method is deprecated; use the "json" method instead.`,
     );
 
-    global.console.warn = warn;
+    spy.mockRestore();
   });
 
   it('warn on missing messages', () => {
-    const { warn } = global.console;
-
-    jest.spyOn(global.console, 'warn').mockImplementation();
+    const spy = jest.spyOn(global.console, 'warn').mockImplementation();
 
     formatMessage('missing');
 
-    expect(console.warn).toBeCalledWith(
+    expect(spy).toBeCalledWith(
       `[svelte-i18n] The message "missing" was not found in "en".`,
     );
 
-    global.console.warn = warn;
+    spy.mockRestore();
+  });
+
+  it('does not throw with invalid syntax', () => {
+    $locale.set('en');
+    const spy = jest.spyOn(global.console, 'warn').mockImplementation();
+
+    // eslint-disable-next-line line-comment-position
+    formatMessage('with-syntax-error', { values: { name: 'John' } });
+
+    expect(spy).toHaveBeenCalledWith(
+      expect.stringContaining(
+        `[svelte-i18n] Message "with-syntax-error" has syntax error:`,
+      ),
+      expect.anything(),
+    );
+
+    spy.mockRestore();
   });
 });