diff --git a/packages/tools/src/tools/CrosshairsTool.ts b/packages/tools/src/tools/CrosshairsTool.ts
index 32ca4d4e71..a58537e5d3 100644
--- a/packages/tools/src/tools/CrosshairsTool.ts
+++ b/packages/tools/src/tools/CrosshairsTool.ts
@@ -782,6 +782,9 @@ class CrosshairsTool extends AnnotationTool {
 
     const referenceLines = [];
 
+    // get canvas information for points and lines (canvas box, canvas horizontal distances)
+    const canvasBox = [0, 0, clientWidth, clientHeight];
+
     otherViewportAnnotations.forEach((annotation) => {
       const { data } = annotation;
 
@@ -831,9 +834,6 @@ class CrosshairsTool extends AnnotationTool {
       const pointWorld1: Types.Point3 = [0, 0, 0];
       vtkMath.subtract(otherViewportCenterWorld, direction, pointWorld1);
 
-      // get canvas information for points and lines (canvas box, canvas horizontal distances)
-      const canvasBox = [0, 0, clientWidth, clientHeight];
-
       const pointCanvas0 = viewport.worldToCanvas(pointWorld0);
 
       const otherViewportCenterCanvas = viewport.worldToCanvas(