diff --git a/src/stitching_scanner.py b/src/stitching_scanner.py
index f72e2a8..3aea232 100644
--- a/src/stitching_scanner.py
+++ b/src/stitching_scanner.py
@@ -517,12 +517,12 @@ class StitchingScanner:
             #     stop_reason = 'min_dim'
             #     break
 
-            if abs(total_x) >= self.config.max_mosaic_width:
+            if abs(total_x) >= self.config.max_mosaic_width or total_x <= 0:
                 self.log(f"Max dimension reached ({self.config.max_mosaic_width}px)")
                 if direction == ScanDirection.RIGHT:
-                    self.state.current_x = self.state.max_mosaic_width - w  # At right edge
-                elif direction == ScanDirection.LEFT:
                     self.state.current_x = 0
+                elif direction == ScanDirection.LEFT:
+                    self.state.current_x = self.state.max_mosaic_width - w  # At right edge
                 self.log(f"Current X offset ({self.state.current_x}px)")
                 stop_reason = 'max_dim'
                 break