diff --git a/src/stitching_scanner.py b/src/stitching_scanner.py
index 01705d4..212f63f 100644
--- a/src/stitching_scanner.py
+++ b/src/stitching_scanner.py
@@ -204,7 +204,7 @@ class StitchingScanner:
                 x_offset = 0
             
             # Clamp x_offset to valid range
-            x_offset = max(0, min(x_offset, w_base - blend_w))
+            x_offset = 0 - min(x_offset, w_base - blend_w)
             
             self.log(f"=== _blend_horizontal_at_y (append_left) ===")
             self.log(f"  base: {w_base}x{h_base}, strip: {w_strip}x{h_strip}")
@@ -641,7 +641,7 @@ class StitchingScanner:
             total_x += dx
             with self._state_lock:
                 self.state.current_x += dx
-                self.log(f"Current X offset ({self.state.current_x}px)")
+            self.log(f"Current X offset ({self.state.current_x}px)")
             
             with self._state_lock:
                 self.state.cumulative_x = self._displacement_since_append_x