diff --git a/server/src/wled_controller/core/processing/processor_manager.py b/server/src/wled_controller/core/processing/processor_manager.py
index d5d5859..c7741a8 100644
--- a/server/src/wled_controller/core/processing/processor_manager.py
+++ b/server/src/wled_controller/core/processing/processor_manager.py
@@ -506,6 +506,12 @@ class ProcessorManager:
                             pixels[i] = color
                     break
 
+        # Apply offset rotation (same as Phase 2 in PixelMapper.map_border_to_leds)
+        total_leds = ds.calibration.get_total_leds()
+        offset = ds.calibration.offset % total_leds if total_leds > 0 else 0
+        if offset > 0:
+            pixels = pixels[-offset:] + pixels[:-offset]
+
         try:
             active_client = self._find_active_led_client(device_id)
             if active_client: