diff --git a/src/main/angular/src/app/editor/circuit/Parts.ts b/src/main/angular/src/app/editor/circuit/Parts.ts
index 2bb5966..d0e14d9 100644
--- a/src/main/angular/src/app/editor/circuit/Parts.ts
+++ b/src/main/angular/src/app/editor/circuit/Parts.ts
@@ -22,8 +22,8 @@ export class Parts {
   mouseMove($event: MouseEvent) {
     this.updateDragCursor($event);
     if (this.dragStartPart !== null && this.dragCursor !== null) {
-      this.dragStartPart.rasterCenterX = Math.floor(this.dragCursor.x / RASTER);
-      this.dragStartPart.rasterCenterY = Math.floor(this.dragCursor.y / RASTER);
+      this.dragStartPart.rasterCenterX = Math.floor(this.dragCursor.x / RASTER) + 0.5;
+      this.dragStartPart.rasterCenterY = Math.floor(this.dragCursor.y / RASTER) + 0.5;
       this.dragStartPart.updateJunctionPositions();
     }
   }