diff --git a/src/libraries/System.Collections.Immutable/tests/Frozen/FrozenDictionaryTests.cs b/src/libraries/System.Collections.Immutable/tests/Frozen/FrozenDictionaryTests.cs
index a1f6adc0c782bd..a351605ef66891 100644
--- a/src/libraries/System.Collections.Immutable/tests/Frozen/FrozenDictionaryTests.cs
+++ b/src/libraries/System.Collections.Immutable/tests/Frozen/FrozenDictionaryTests.cs
@@ -196,6 +196,7 @@ public static IEnumerable<object[]> LookupItems_AllItemsFoundAsExpected_MemberDa
 
         [Theory]
         [MemberData(nameof(LookupItems_AllItemsFoundAsExpected_MemberData))]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/88628", typeof(PlatformDetection), nameof(PlatformDetection.IsNativeAot))]
         public void LookupItems_AllItemsFoundAsExpected(int size, IEqualityComparer<TKey> comparer, bool specifySameComparer)
         {
             Dictionary<TKey, TValue> original =