diff --git a/src/Eve-O-Preview/View/Implementation/MainForm.cs b/src/Eve-O-Preview/View/Implementation/MainForm.cs
index 8c9cfa7..cdbfd49 100644
--- a/src/Eve-O-Preview/View/Implementation/MainForm.cs
+++ b/src/Eve-O-Preview/View/Implementation/MainForm.cs
@@ -502,6 +502,11 @@ namespace EveOPreview.View {
             this._suppressEvents = false;
         }
 
+        // Update snap grid X and Y to 1/4 of width and height
+        Size currentSize = this.ThumbnailSize;
+        this.ThumbnailSnapToGridSizeX = currentSize.Width / 4;
+        this.ThumbnailSnapToGridSizeY = currentSize.Height / 4;
+
         this.ThumbnailsSizeChanged?.Invoke();
     }
 
@@ -548,6 +553,11 @@ namespace EveOPreview.View {
                 this._suppressEvents = false;
             }
 
+            // Update snap grid X and Y to 1/4 of width and height
+            Size currentSize = this.ThumbnailSize;
+            this.ThumbnailSnapToGridSizeX = currentSize.Width / 4;
+            this.ThumbnailSnapToGridSizeY = currentSize.Height / 4;
+
             // Prevent the default scroll behavior
             ((HandledMouseEventArgs)e).Handled = true;