diff --git a/backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/HandleRules/RuleEventFormatterCompareTests.cs b/backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/HandleRules/RuleEventFormatterCompareTests.cs
index 6afa79c12..a45f0f930 100644
--- a/backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/HandleRules/RuleEventFormatterCompareTests.cs
+++ b/backend/tests/Squidex.Domain.Apps.Core.Tests/Operations/HandleRules/RuleEventFormatterCompareTests.cs
@@ -498,6 +498,29 @@ namespace Squidex.Domain.Apps.Core.Operations.HandleRules
             Assert.Equal("null", result);
         }
 
+        [Theory]
+        [Expressions(
+            "$CONTENT_DATA.country.zh-TW",
+            "${CONTENT_DATA.country.zh-TW}",
+            "${event.data.country['zh-TW']}",
+            "{{event.data.country.zh-TW}}"
+        )]
+        public async Task Should_return_country_based_culture(string script)
+        {
+            var @event = new EnrichedContentEvent
+            {
+                Data =
+                    new NamedContentData()
+                        .AddField("country",
+                            new ContentFieldData()
+                                .AddValue("zh-TW", "Berlin"))
+            };
+
+            var result = await sut.FormatAsync(script, @event);
+
+            Assert.Equal("Berlin", result);
+        }
+
         [Theory]
         [Expressions(
             "$CONTENT_DATA.country.iv",