diff --git a/Iced/Intel/Encoder.cs b/Iced/Intel/Encoder.cs
index 9e8fdd766..7380d0ac1 100644
--- a/Iced/Intel/Encoder.cs
+++ b/Iced/Intel/Encoder.cs
@@ -212,7 +212,7 @@ namespace Iced.Intel {
 		/// <returns></returns>
 		public uint Encode(ref Instruction instruction, ulong rip) {
 			if (!TryEncode(ref instruction, rip, out uint result, out var errorMessage))
-				throw new EncoderException(errorMessage, ref instruction);
+				throw new EncoderException(errorMessage, instruction);
 			return result;
 		}
 
diff --git a/Iced/Intel/EncoderException.cs b/Iced/Intel/EncoderException.cs
index 0a4368e31..a86ff71bd 100644
--- a/Iced/Intel/EncoderException.cs
+++ b/Iced/Intel/EncoderException.cs
@@ -37,7 +37,7 @@ namespace Iced.Intel {
 		/// </summary>
 		/// <param name="message">Exception message</param>
 		/// <param name="instruction">Instruction</param>
-		public EncoderException(string message, ref Instruction instruction) : base(message) => Instruction = instruction;
+		public EncoderException(string message, in Instruction instruction) : base(message) => Instruction = instruction;
 
 		/// <summary>
 		/// Constructor