diff --git a/src/Ulid.Unity/Assets/Scripts/Ulid/Ulid.cs b/src/Ulid.Unity/Assets/Scripts/Ulid/Ulid.cs
index b5138ef..b8a423d 100644
--- a/src/Ulid.Unity/Assets/Scripts/Ulid/Ulid.cs
+++ b/src/Ulid.Unity/Assets/Scripts/Ulid/Ulid.cs
@@ -690,7 +690,7 @@ private static bool IsVector128Supported
 #if NET7_0_OR_GREATER
                 return Vector128.IsHardwareAccelerated;
 #endif
-                return Sse3.IsSupported;
+                return Ssse3.IsSupported;
             }
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
diff --git a/src/Ulid/Ulid.cs b/src/Ulid/Ulid.cs
index b5138ef..b8a423d 100644
--- a/src/Ulid/Ulid.cs
+++ b/src/Ulid/Ulid.cs
@@ -690,7 +690,7 @@ private static bool IsVector128Supported
 #if NET7_0_OR_GREATER
                 return Vector128.IsHardwareAccelerated;
 #endif
-                return Sse3.IsSupported;
+                return Ssse3.IsSupported;
             }
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]