diff --git a/src/rm_auto_aim/armor_yolo_detect/src/armor_yolo_detector.cpp b/src/rm_auto_aim/armor_yolo_detect/src/armor_yolo_detector.cpp
index 7cd8623..df75f34 100644
--- a/src/rm_auto_aim/armor_yolo_detect/src/armor_yolo_detector.cpp
+++ b/src/rm_auto_aim/armor_yolo_detect/src/armor_yolo_detector.cpp
@@ -158,7 +158,9 @@ std::vector<fyt::auto_aim::Armor> Detector::processROIs(
       // Use armor type from traditional detection (more accurate)
 
       // Correct corners using traditional method
-      correctCorners(armor, gray_img);
+      // Note: armor coordinates are already in global image coordinates (after ROI offset was added),
+      // so we pass input (full image) instead of roi_gray (ROI local image) to ensure consistency
+      correctCorners(armor, input);
 
       result_armors.push_back(armor);
     }