diff --git a/bin/test_ad_based_falcon.py b/bin/test_ad_based_falcon.py
index c7f9c4e..cbe29f1 100644
--- a/bin/test_ad_based_falcon.py
+++ b/bin/test_ad_based_falcon.py
@@ -25,7 +25,7 @@ if __name__ == "__main__":
     print("PVs:")
     print(f"ICR: {falcon.dxp1.input_count_rate.describe()}")
     print(f"OCR: {falcon.dxp1.output_count_rate.describe()}")
-    print(f"ROI: {falcon.mca1.rois.count.describe()}")
+    print(f"ROI: {falcon.mca1.rois.roi0.count.describe()}")
     print(f"ERT: {falcon.mca1.elapsed_real_time.describe()}")
 
     # Test loop
@@ -48,7 +48,7 @@ if __name__ == "__main__":
 
         icr = falcon.dxp1.input_count_rate.get()
         ocr = falcon.dxp1.output_count_rate.get()
-        roi = falcon.mca1.rois.count.get()
+        roi = falcon.mca1.rois.roi0.count.get()
         ert = falcon.mca1.elapsed_real_time.get()
 
         print(f"time={time.time() - start_time:.4f}", icr, ocr, roi, ert)