diff --git a/LLama/Extensions/DictionaryExtensions.cs b/LLama/Extensions/DictionaryExtensions.cs
index 326a1686..1af0e9e1 100644
--- a/LLama/Extensions/DictionaryExtensions.cs
+++ b/LLama/Extensions/DictionaryExtensions.cs
@@ -4,12 +4,12 @@ namespace LLama.Extensions
 {
     internal static class DictionaryExtensions
     {
-#if NETSTANDARD2_0_OR_GREATER
+#if NETSTANDARD2_0
         public static TValue GetValueOrDefault<TKey, TValue>(this IReadOnlyDictionary<TKey, TValue> dictionary, TKey key, TValue defaultValue)
         {
             return GetValueOrDefaultImpl(dictionary, key, defaultValue);
         }
-#elif !NET6_0_OR_GREATER
+#elif !NET6_0_OR_GREATER && !NETSTANDARD2_1_OR_GREATER
 #error Target framework not supported!
 #endif
 
diff --git a/LLama/Extensions/EncodingExtensions.cs b/LLama/Extensions/EncodingExtensions.cs
index 7766c244..5005b16c 100644
--- a/LLama/Extensions/EncodingExtensions.cs
+++ b/LLama/Extensions/EncodingExtensions.cs
@@ -5,7 +5,7 @@ namespace LLama.Extensions;
 
 internal static class EncodingExtensions
 {
-#if NETSTANDARD2_0_OR_GREATER
+#if NETSTANDARD2_0
     public static int GetChars(this Encoding encoding, ReadOnlySpan<byte> bytes, Span<char> output)
     {
         return GetCharsImpl(encoding, bytes, output);
@@ -15,7 +15,7 @@ internal static class EncodingExtensions
     {
         return GetCharCountImpl(encoding, bytes);
     }
-#elif !NET6_0_OR_GREATER
+#elif !NET6_0_OR_GREATER && !NETSTANDARD2_1_OR_GREATER
 #error Target framework not supported!
 #endif
 
diff --git a/LLama/Extensions/IEnumerableExtensions.cs b/LLama/Extensions/IEnumerableExtensions.cs
index ab1a2a78..17428d29 100644
--- a/LLama/Extensions/IEnumerableExtensions.cs
+++ b/LLama/Extensions/IEnumerableExtensions.cs
@@ -5,12 +5,12 @@ namespace LLama.Extensions
 {
     internal static class IEnumerableExtensions
     {
-#if NETSTANDARD2_0_OR_GREATER
+#if NETSTANDARD2_0
         public static IEnumerable<T> TakeLast<T>(this IEnumerable<T> source, int count)
         {
             return TakeLastImpl(source, count);
         }
-#elif !NET6_0_OR_GREATER
+#elif !NET6_0_OR_GREATER && !NETSTANDARD2_1_OR_GREATER
 #error Target framework not supported!
 #endif
 
diff --git a/LLama/Extensions/KeyValuePairExtensions.cs b/LLama/Extensions/KeyValuePairExtensions.cs
index 610701b7..233195ed 100644
--- a/LLama/Extensions/KeyValuePairExtensions.cs
+++ b/LLama/Extensions/KeyValuePairExtensions.cs
@@ -5,7 +5,7 @@
 /// </summary>
 internal static class KeyValuePairExtensions
 {
-#if NETSTANDARD2_0_OR_GREATER
+#if NETSTANDARD2_0
     /// <summary>
     /// Deconstruct a KeyValuePair into it's constituent parts.
     /// </summary>
@@ -19,7 +19,7 @@ internal static class KeyValuePairExtensions
         first = pair.Key;
         second = pair.Value;
     }
-#elif !NET6_0_OR_GREATER
+#elif !NET6_0_OR_GREATER && !NETSTANDARD2_1_OR_GREATER
 #error Target framework not supported!
 #endif
 }
\ No newline at end of file
diff --git a/LLama/Extensions/ListExtensions.cs b/LLama/Extensions/ListExtensions.cs
index 08a841bd..003797dc 100644
--- a/LLama/Extensions/ListExtensions.cs
+++ b/LLama/Extensions/ListExtensions.cs
@@ -5,7 +5,7 @@ namespace LLama.Extensions
 {
     internal static class ListExtensions
     {
-#if NETSTANDARD2_0_OR_GREATER
+#if NETSTANDARD2_0 || NETSTANDARD2_1
         public static void EnsureCapacity<T>(this List<T> list, int capacity)
         {
             if (list.Capacity < capacity)