diff --git a/script.js b/script.js
index a843749..8331adc 100644
--- a/script.js
+++ b/script.js
@@ -19,6 +19,7 @@ let currentTool = SAND;
 let isDrawing = false;
 let isDragging = false;
 let lastMouseX, lastMouseY;
+let currentMouseX, currentMouseY;
 let lastFrameTime = 0;
 let fps = 0;
 let worldOffsetX = 0;
@@ -105,6 +106,10 @@ function handleMouseMove(e) {
     const x = e.clientX - rect.left;
     const y = e.clientY - rect.top;
     
+    // Always update current mouse position
+    currentMouseX = x;
+    currentMouseY = y;
+    
     if (isDragging) {
         // Calculate how much the mouse has moved
         const dx = x - lastMouseX;
@@ -463,16 +468,14 @@ function render() {
     
     // Draw cursor position in debug mode
     if (debugMode) {
-        canvas.addEventListener('mousemove', function(e) {
-            const rect = canvas.getBoundingClientRect();
-            const mouseX = e.clientX - rect.left;
-            const mouseY = e.clientY - rect.top;
-            const worldX = Math.floor(mouseX / PIXEL_SIZE) + worldOffsetX;
-            const worldY = Math.floor(mouseY / PIXEL_SIZE) + worldOffsetY;
-            
-            document.getElementById('coords').textContent = 
-                `Chunk: ${Math.floor(worldOffsetX / CHUNK_SIZE)},${Math.floor(worldOffsetY / CHUNK_SIZE)} | ` +
-                `Mouse: ${worldX},${worldY} | Offset: ${Math.floor(worldOffsetX)},${Math.floor(worldOffsetY)}`;
-        });
+        const rect = canvas.getBoundingClientRect();
+        const mouseX = lastMouseX || 0;
+        const mouseY = lastMouseY || 0;
+        const worldX = Math.floor(mouseX / PIXEL_SIZE) + worldOffsetX;
+        const worldY = Math.floor(mouseY / PIXEL_SIZE) + worldOffsetY;
+        
+        document.getElementById('coords').textContent = 
+            `Chunk: ${Math.floor(worldOffsetX / CHUNK_SIZE)},${Math.floor(worldOffsetY / CHUNK_SIZE)} | ` +
+            `Mouse: ${worldX},${worldY} | Offset: ${Math.floor(worldOffsetX)},${Math.floor(worldOffsetY)}`;
     }
 }