diff --git a/tests/unit/test_d5c_multitile.py b/tests/unit/test_d5c_multitile.py
index e57e9ca2..88fba532 100644
--- a/tests/unit/test_d5c_multitile.py
+++ b/tests/unit/test_d5c_multitile.py
@@ -247,6 +247,9 @@ def test_d5c_multitile():
     if cos < 0.99:
         print(f'  kernel[0,:4]={o_merged[0,:4].tolist()}')
         print(f'  ref[0,:4]={ref[0,:4].tolist()}')
+        # Debug: check each segment individually
+        for i, (o_n, lse) in enumerate(segment_results):
+            print(f'  Seg {i}: LSE[0]={lse[0].item():.4f}  O_norm[0,:2]={o_n[0,:2].tolist()}')
 
 
 if __name__ == '__main__':