diff --git a/localization_log_gamma_model.py b/localization_log_gamma_model.py
index e2dd9a6..6d464cf 100644
--- a/localization_log_gamma_model.py
+++ b/localization_log_gamma_model.py
@@ -68,7 +68,7 @@ def fittingSingle(filepath, args):
             best_rsses = est_rsses
 
     # calculate diff
-    data_best_est = convert_vector_to_mat(rx_locs, best_rsses, data.shape, block_size=0.1)
+    data_best_est = convert_vector_to_mat(rx_locs, best_rsses, data.shape)
     data_diff = data - data_best_est
     stat = stats(data_diff)