diff --git a/src/Riok.Mapperly/Descriptors/Enumerables/CollectionInfoBuilder.cs b/src/Riok.Mapperly/Descriptors/Enumerables/CollectionInfoBuilder.cs
index ddd8c695b4..14b2dcffcf 100644
--- a/src/Riok.Mapperly/Descriptors/Enumerables/CollectionInfoBuilder.cs
+++ b/src/Riok.Mapperly/Descriptors/Enumerables/CollectionInfoBuilder.cs
@@ -176,13 +176,10 @@ or CollectionType.ReadOnlyMemory
         if (typeInfo is not CollectionType.None)
             return "Count";
 
-        var intType = types.Get<int>();
         var member = symbolAccessor
             .GetAllAccessibleMappableMembers(t)
             .FirstOrDefault(
-                x =>
-                    x.Name is nameof(ICollection<object>.Count) or nameof(Array.Length)
-                    && SymbolEqualityComparer.IncludeNullability.Equals(intType, x.Type)
+                x => x.Type.SpecialType == SpecialType.System_Int32 && x.Name is nameof(ICollection<object>.Count) or nameof(Array.Length)
             );
         return member?.Name;
     }