diff --git a/src/stitching_scanner.py b/src/stitching_scanner.py
index def7abc..275d652 100644
--- a/src/stitching_scanner.py
+++ b/src/stitching_scanner.py
@@ -215,7 +215,7 @@ class StitchingScanner:
             
             # Clamp x_offset to valid range
             # x_offset = max(0, min(x_offset, w_base - blend_w))
-            x_offset = min(x_offset, w_base)
+            x_offset = 0 - min(x_offset, w_base)
             
             # Handle strip cropping if y_offset is negative (strip protrudes above frame)
             strip_y_start = 0  # How much to crop from top of strip