diff --git a/src/components/DrawingCanvas.js b/src/components/DrawingCanvas.js
index b607ca5..0bfa18f 100644
--- a/src/components/DrawingCanvas.js
+++ b/src/components/DrawingCanvas.js
@@ -169,9 +169,23 @@ const DrawingCanvas = () => {
       setShapes(prev => {
         const updated = [...prev];
         const shape = { ...updated[selectedIndex] };
-        // Move shape based on offset
-        shape.x = x - offset.x;
-        shape.y = y - offset.y;
+        if (shape.type === 'pencil') {
+          // Calculate movement delta
+          const dx = x - offset.x - shape.points[0].x;
+          const dy = y - offset.y - shape.points[0].y;
+          shape.points = shape.points.map(pt => ({
+            x: pt.x + dx,
+            y: pt.y + dy
+          }));
+          // Update offset so dragging is smooth
+          setOffset({
+            x: x - shape.points[0].x,
+            y: y - shape.points[0].y
+          });
+        } else {
+          shape.x = x - offset.x;
+          shape.y = y - offset.y;
+        }
         updated[selectedIndex] = shape;
         return updated;
       });