diff --git a/src/stitching_scanner.py b/src/stitching_scanner.py
index 32c6305..82ffa1a 100644
--- a/src/stitching_scanner.py
+++ b/src/stitching_scanner.py
@@ -502,9 +502,9 @@ class StitchingScanner:
         max_no_movement = 50
         stop_reason = 'stopped'
         if direction == ScanDirection.RIGHT:
-            self.state.current_x = self.state.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.mosaic_width - w  # At right edge
         self.log(f"Current X offset ({self.state.current_x}px)")
 
         while self.running and not self.paused: