diff --git a/src/stitching_scanner.py b/src/stitching_scanner.py
index 3b78b00..471ae0c 100644
--- a/src/stitching_scanner.py
+++ b/src/stitching_scanner.py
@@ -471,7 +471,7 @@ class StitchingScanner:
         
         frame = self._capture_frame()
         h, w = frame.shape[:2]
-        
+        total_x = 0
         # Setup based on direction
         if direction in [ScanDirection.RIGHT, ScanDirection.LEFT]:
             threshold_pixels = w * self.config.displacement_threshold