1 files changed, 1 insertions, 4 deletions
diff --git a/UVtools.Core/Operations/OperationChangeResolution.cs b/UVtools.Core/Operations/OperationChangeResolution.cs
index 31a1883..c021753 100644
--- a/UVtools.Core/Operations/OperationChangeResolution.cs
+++ b/UVtools.Core/Operations/OperationChangeResolution.cs
@@ -173,10 +173,7 @@ namespace UVtools.Core.Operations
                 //Execute(mat);
                 SlicerFile[layerIndex].LayerMat = matDst;
 
-                lock (progress.Mutex)
-                {
-                    progress++;
-                }
+                progress.LockAndIncrement();
             });
 
             progress.Token.ThrowIfCancellationRequested();