diff --git a/chibild/chibild.core/Generating/CodeGenerator_LookupMember.cs b/chibild/chibild.core/Generating/CodeGenerator_LookupMember.cs
index 02e047d..661ab40 100644
--- a/chibild/chibild.core/Generating/CodeGenerator_LookupMember.cs
+++ b/chibild/chibild.core/Generating/CodeGenerator_LookupMember.cs
@@ -179,6 +179,14 @@ private void DelayLookingUpType(
                 {
                     this.DelayLookingUpAction1(targetModule =>
                     {
+                        var etr = TypeGenerator.ConstructCilType(
+                            flat.ElementType,
+                            resolvedTypeReferences);
+                    
+                        resolvedTypeReferences.TryAdd(
+                            flat.ElementType.CilTypeName,
+                            targetModule.SafeImport(etr));
+                        
                         // At this point, the `resolvedTypeReferences` should contain
                         // all the `TypeReferences` needed to construct a fixed length array type.
                         if (TypeGenerator.TryGetFixedLengthArrayType(
diff --git a/chibild/chibild.core/Internal/Utilities.cs b/chibild/chibild.core/Internal/Utilities.cs
index f5576b0..70afb5b 100644
--- a/chibild/chibild.core/Internal/Utilities.cs
+++ b/chibild/chibild.core/Internal/Utilities.cs
@@ -59,32 +59,24 @@ public static string GetDirectoryPath(string path) =>
                 Path.GetFullPath(string.IsNullOrWhiteSpace(d) ? "." : d) :
                 Path.DirectorySeparatorChar.ToString();
 
-        public static string IntersectStrings(IEnumerable<string> strings)
+
+#if NETFRAMEWORK || NETSTANDARD2_0
+        public static bool TryAdd<TKey, TValue>(
+            this Dictionary<TKey, TValue> dict,
+            TKey key,
+            TValue value)
         {
-            var sb = new StringBuilder();
-            foreach (var str in strings)
+            if (!dict.ContainsKey(key))
             {
-                if (sb.Length == 0)
-                {
-                    sb.Append(str);
-                }
-                else
-                {
-                    var length = Math.Min(sb.Length, str.Length);
-                    var index = 0;
-                    while (index < length)
-                    {
-                        if (str[index] != sb[index])
-                        {
-                            sb.Remove(index, sb.Length - index);
-                            break;
-                        }
-                        index++;
-                    }
-                }
+                dict.Add(key, value);
+                return true;
+            }
+            else
+            {
+                return false;
             }
-            return sb.ToString();
         }
+#endif
 
         public static IEnumerable<TR> Collect<TR, T>(
             this IEnumerable<T> enumerable,