diff --git a/src/stitching_scanner.py b/src/stitching_scanner.py
index 7442f3f..c2e43d7 100644
--- a/src/stitching_scanner.py
+++ b/src/stitching_scanner.py
@@ -525,7 +525,7 @@ class StitchingScanner:
             #     stop_reason = 'min_dim'
             #     break
 
-            if total_x <= 0 and direction ==  ScanDirection.LEFT:
+            if total_x <= -(self.config.max_mosaic_width) and direction ==  ScanDirection.LEFT:
                 self.log(f"Max dimension reached ({self.config.max_mosaic_width}px)")
                 self.log(f"Current X offset ({self.state.current_x}px) total_x ({total_x}px)")
                 stop_reason = 'max_dim'