diff --git a/src/NetVips/Image.cs b/src/NetVips/Image.cs
index 2bf58e2..d7ac389 100644
--- a/src/NetVips/Image.cs
+++ b/src/NetVips/Image.cs
@@ -2114,7 +2114,7 @@ void EvalMarshal(IntPtr imagePtr, IntPtr progressPtr, IntPtr userDataPtr)
                 image.ObjectRef();
 
                 var progress = Marshal.PtrToStructure<VipsProgress>(progressPtr);
-                
+
                 callback.Invoke(image, progress);
             }