diff --git a/ShareX.ImageEffectsLib/Filters/MatrixConvolution.cs b/ShareX.ImageEffectsLib/Filters/MatrixConvolution.cs
index 0484ffd4d..da40d3d6a 100644
--- a/ShareX.ImageEffectsLib/Filters/MatrixConvolution.cs
+++ b/ShareX.ImageEffectsLib/Filters/MatrixConvolution.cs
@@ -56,7 +56,7 @@ internal class MatrixConvolution : ImageEffect
         [DefaultValue(1.0)]
         public double Factor { get; set; }
 
-        [DefaultValue(0)]
+        [DefaultValue((byte)0)]
         public byte Offset { get; set; }
 
         public MatrixConvolution()